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The complete record

Update archive

Every update we have published, newest first. The most recent changes are summarized on the What’s New page; this archive keeps the full history in one place.

All updates

  1. October 13, 2026
    New guidesAccuracy

    Nine new news pages: the pope's lung cancer surgery and eight viral claims checked

    What the Vatican said about Pope Leo XIV's lung cancer surgery, and what we found when we looked up eight popular social posts about a frog bacterium, a kidney cancer vaccine, GLP-1 drugs, sunscreen, phones, power lines, estrogen and vaccines.

  2. October 13, 2026 (more languages)
    LanguagesAccuracy

    144 more Vietnamese and Chinese articles are back, rewritten from the current English

    Another 144 Vietnamese and Chinese articles that we had paused while they were out of date are back. Each was retranslated from the current English and compared with its emergency numbers, fever limits and other figures.

    • Articles on home care, late effects, recurrence questions, living wills and grief, medicines, and questions to ask about treatment.Languages
  3. October 12, 2026 (more languages)
    LanguagesAccuracy

    144 more Vietnamese and Chinese articles are back, rewritten from the current English

    Another 144 Vietnamese and Chinese articles that we had paused while they were out of date are back. Each was retranslated from the current English and compared with its emergency numbers, fever limits and other figures.

    • Articles on food and eating safely, genetic counseling, grief, paying for care, home and travel during treatment, and everyday questions.Languages
  4. October 11, 2026 (more languages)
    LanguagesAccuracy

    144 more Vietnamese and Chinese articles are back, rewritten from the current English

    Another 144 Vietnamese and Chinese articles that we had paused while they were out of date are back. Each was retranslated from the current English and compared with its emergency numbers, fever limits and other figures.

    • Articles on myths and fact checks, cancer medicines, eating and exercise during treatment, clinical trials, and workplace rights.Languages
  5. October 11, 2026 (news)
    New guidesAccuracy

    New: bowel cancer immunotherapy before surgery, no relapses at 33 months in a small UK trial

    What the NEOPRISM-CRC trial reported for 32 people with one genetic type of stage 2 or 3 bowel cancer, what a small trial with no comparison group can and cannot show, and who it applies to.

    • The numbers, the researchers' words, the limits of the study, and a short note on immunotherapy side effects.Read it
  6. October 10, 2026 (more languages)
    LanguagesAccuracy

    144 more Vietnamese and Chinese articles are back, rewritten from the current English

    Another 144 Vietnamese and Chinese articles that we had paused while they were out of date are back. Each was retranslated from the current English and compared with its emergency numbers, fever limits and other figures.

    • Articles on cancer medicines, childhood cancer, clinical trials, care for people who face extra barriers, and everyday questions.Languages
  7. October 10, 2026
    LanguagesAccuracy

    More Vietnamese and Chinese articles are back, rewritten from the current English

    288 Vietnamese and Chinese articles that we had paused while they were out of date are back, retranslated from the current English and compared with its emergency numbers, fever limits and other figures.

    • Pages on caregiving, grief, hospice, medicines and everyday side effects, with the same call-right-away and 911 guidance as the English pages.Languages
  8. October 10, 2026
    New guides

    New: does zinc prevent esophageal cancer?

    A new claim check looks at a post about zinc and esophageal cancer. The research behind it studied zinc deficiency in rats, not zinc supplements in people.

  9. October 8, 2026
    New guides

    New: does a forest trip boost cancer-fighting immune cells?

    A new claim check looks at a widely shared post about forest bathing and natural killer cells. The study behind it followed 12 men and measured immune-cell activity, not cancer.

  10. October 8, 2026 (news)
    New guidesAccuracy

    New: Long COVID brain fog and serotonin, what the viral reel's study shows

    A claim-check on an Instagram reel about Long COVID brain fog and serotonin: the 2023 study is real, its mouse results are early, and no treatment is proven. With a short note for readers who have brain fog during cancer treatment.

    • What the study found, what NIH's RECOVER trial found, and what is still unproven.Read it
  11. October 7, 2026 (news)
    New guides

    New: suspected plague case in Russia, what experts and the CDC say

    A news explainer on the reported suspected pneumonic plague case in Russia: what was reported and what experts and the CDC say about the risk, with a short note for people in cancer treatment.

    • What was reported, what plague is, and the everyday infection rules for people in treatment.Read it
  12. October 7, 2026
    Easier to use

    Homepage: a clearer first screen and a closer look at what the site offers

    The homepage now shows the 911 and urgent-care line, a link to Spanish and other languages, and a new "What you'll find here" band with real counts of our articles, answered questions, report words, printables, Spanish articles and support services. Twelve cancer types are easier to tap, small text is larger, and the short videos use the brand purple.

  13. October 7, 2026 (news)
    New guides

    New: HHS's mold roundtable, what was announced and what CDC and EPA say

    A news explainer on the September 18 HHS mold and fungal disease roundtable: the funding announced, what different speakers said, and what CDC and EPA say the evidence shows, with a note for people in cancer treatment.

    • What HHS announced about mold and fungal illness, who said what, and where the evidence stands.Read it
  14. October 6, 2026
    Easier to useNew feature

    Where in the World? now has bigger photos and music you can hear

    The photo game now shows each picture much larger, with an Enlarge button for a full-screen look, and the start screen opens with a row of big photos. The background music and sound effects were far too quiet on most phones and laptops, so they are now clearly audible, and you can still turn them off or adjust them in Comfort settings.

  15. October 6, 2026
    New guides

    New: which cancers kill the most people, a cancer awareness calendar, and the top 10 causes of death

    Four new news explainers use the latest American Cancer Society and CDC numbers to answer common questions about cancer deaths and prevention.

  16. October 5, 2026
    New guides

    Two new news explainers: injectable nivolumab and detox baths

    Two headlines readers keep asking about, explained from FDA, NHS England, NCI and NIH sources.

  17. October 5, 2026 (news)
    New guidesAccuracy

    New: three viral claims checked (light at night, mouth bacteria, AI-made drugs)

    Three new fact-checks look at claims from widely shared social posts: that light at night raises breast cancer risk, that mouth bacteria triple pancreatic cancer risk, and that an AI made a cancer drug in 30 days. Each explains what the study behind the claim actually found, what it cannot show, and what to ask your care team.

  18. October 5, 2026
    AccuracySafetyLanguages

    Accuracy: the last 250 articles re-checked, and a translate option on English pages

    We finished re-checking our articles against NCI, CDC, FDA, MedlinePlus and other US federal sources. About 250 more pages were checked this week, mostly report-term explainers, scan and lab-result guides, and questions to ask your care team. Claims we could not confirm in those sources were removed or reworded. Readers who chose another language and land on an English page now see a link to read it in machine translation, with a reminder that the English page is the one we check.

    • Scan and lab explainers (BI-RADS, Gleason, CA-125, thyroid nodules and more) now say only what NCI and MedlinePlus support. Scoring tables we could not confirm were removed.Report terms
    • More pages now give a clear call-right-away or 911 line for warning signs.Fever during chemo
    • English pages show a translate link to readers who chose another language.Languages
  19. October 3, 2026
    AccuracySafety

    Accuracy: hundreds of articles re-checked against their sources

    Over the past week we re-checked about 700 articles claim by claim against NCI, CDC, FDA, MedlinePlus and other US federal sources. Claims we could not confirm were removed or reworded, figures were corrected, and many "call your doctor" lines now say to call right away. Translations of changed pages show the English page until they are redone.

  20. October 1, 2026
    New guides

    New: one in eight cancers worldwide linked to infections

    A news explainer on the new IARC study estimating that about 2.3 million cancer cases in 2024 were caused by infections, with what NCI says about HPV, hepatitis B and C, H. pylori and Epstein–Barr virus, and what the numbers do not mean for one person.

    • One in Eight Cancers Worldwide Linked to Infections, IARC Study Finds.Read it
  21. September 30, 2026
    New guides

    New: what the American Cancer Society's 2021 staff vaccine policy said

    A dated news explainer on the American Cancer Society's August 2021 requirement that staff be vaccinated against COVID-19, with what the release did and did not say.

    • ACS Required Staff to Be Vaccinated Against COVID-19 in 2021: What the Policy Said.Read it
  22. September 30, 2026
    Safety

    Clearer emergency steps on hundreds of symptom pages

    We re-checked when to call 911, go to an emergency department, or call your care team right away, against CDC, MedlinePlus and NCI. Where a warning sign was listed as a same-day call but the source says right away, it now says right away.

    • Signs of infection during chemotherapy, black or bloody stools, sudden confusion, a sudden severe headache and a wound that splits open now point to the faster step. Emergency lines now add "Do not drive yourself."Fever during chemo: what to knowNeutropenic fever
    • Translations of pages whose safety wording changed show the current English page until they are redone.
  23. September 30, 2026
    New feature

    New: Games, and a fast, friendly photo travel game

    A new Games page and "Where in the World?", where you guess where a photo was taken and learn about the place. Fast and friendly, with a no-timer Relaxed mode, passport stamps, a daily challenge and no account.

    • Ten photos a game, four choices each. Music and sounds are soft and optional, and comfort settings are built in.Where in the World?Games
    • Now easier on phones, with the photo and all four choices on one screen. After each photo you see a small world map, a few facts and the other places in the game from the same country. Your passport map and trip map show where you have been.Where in the World?
    • New optional Trips: five-photo mini-trips such as a week in Italy or a National Parks road trip, each with a passport stamp when you finish. The start screen is shorter on phones, the Start button is visible straight away, and the reveal facts are clearer for every place.Where in the World?
  24. September 30, 2026
    New guides

    News: chlorthalidone blood pressure recall explained

    A new news post explains the nationwide recall of chlorthalidone 25 mg tablets, using FDA records and MedlinePlus. It is not a cancer story. It covers what to check on your bottle and when to call.

  25. September 30, 2026
    New guides

    Photo and travel games for memory and a sense of travel

    A new plain-language article on how picture-and-place games may be a gentle, low-energy pastime during cancer care, and when memory or thinking changes should be raised with your care team.

  26. September 30, 2026
    New feature

    A new logo and a free brand toolkit

    The site now uses our new Cancer Explained logo and a new "ce" icon in the browser tab. Partners and press can download the logo, colors, fonts and a 10-page brand guide in one free kit.

  27. September 29, 2026
    Accuracy

    10 social-media claim checks, source-checked and published

    We checked every fact on 10 claim-check pages about posts on heavy metals, food additives, mold, skin cancer and unproven treatments against NCI, FDA, CDC, EPA and other sources. We fixed or removed the claims that did not hold up, and we now describe each post in our own words.

  28. September 29, 2026
    Easier to use

    Clearer writing on about 400 guides

    We finished an editing pass on guides about daily life, practical support, prevention, nutrition, healthy living, cancer-causing substances and cancer organizations. The pages are shorter and easier to scan. The medical facts, sources and warning signs did not change.

  29. September 29, 2026
    New feature

    Reprint Memories: recreate a design from an old photo

    Families can now ask us to recreate a lost design, such as a team shirt or a sign, from an old photo, in memory of someone affected by cancer. The design review and preview are free.

    • Send a photo, mark the item, and tell us the words and colors as you remember them. A person checks every design, and you approve it before anything is made.Reprint Memories
    • The Reprint Memories page now shows old-and-new examples side by side, made with AI to show what to expect. You can also reach it at cancerexplained.org/reprint and cancerexplained.org/reprintmemories.See the examples
  30. September 29, 2026
    New guidesAccuracy

    Six new news explainers, checked against their sources

    Viral posts and headlines about supplements, sunscreen, blood tests, acne products and milk, each explained in plain language with what the evidence does and does not show.

    • Vitamin D, Omega-3 and Home Exercise Lowered Cancer Risk in Adults 70+? Instagram Post Fact-Checked: a 2022 trial of vitamin D, omega-3 and exercise in adults 70 and older.Read it
    • FDA Adds Bemotrizinol as a New Sunscreen Ingredient: What It Means: the FDA's new sunscreen ingredient, bemotrizinol.Read it
    • FDA Advisers Back a Multi-Cancer Blood Test: What the Vote Does and Does Not Mean: the FDA advisers' vote on a multi-cancer blood test.Read it
    • Is rBGH in US Milk Linked to Cancer? An Instagram Post Fact-Checked: the rBGH milk and cancer claim.Read it
    • Does Dawn Dish Soap Cause Cancer? An Instagram Claim, Checked: the viral dish soap and cancer post.Read it
    • '7 Everyday Brands Sued Over Cancer Claims': What the Lawsuits Show: the viral list of everyday brands and cancer lawsuits.Read it
  31. September 29, 2026
    LanguagesSafety

    Fatigue and fever handouts are back in more languages

    We re-translated the handout topics that had been switched to English, from the current English text, and checked every number and warning sign in each one.

    • 39 more Chinese pages are back, including fever during chemotherapy, low white blood cells, tumor lysis syndrome, breast, neck and testicular lumps, night sweats, vaginal discharge, kidney problems and the side-effects overview.Languages
    • 45 more are back in Vietnamese and Chinese, including fever during chemotherapy, rectal bleeding, trouble swallowing, bone and jaw pain, tumor lysis syndrome, kidney problems and the side-effects overview.Languages
    • 45 more are back, including the side-effects overview in 14 languages, fever during chemotherapy in Spanish, Arabic, Russian and Thai, bleeding after menopause, warning signs of cancer, and symptom pages in Spanish, Arabic, Russian, Thai and Vietnamese.Languages
    • 6 more Russian pages are back: sepsis, tumor lysis syndrome, severe diarrhea, sex after cancer surgery, when treatment for a common condition does not help, and the symptom I almost ignored.Languages
    • 18 more are back, 12 in Russian and 6 in Thai, including neutropenic fever, peripheral neuropathy, pelvic floor recovery, radiation skin changes, rash, targeted therapy side effects, anemia and appetite loss.Languages
    • 24 more are back, 22 in Arabic and 2 in Russian, including cancer emergencies, high calcium, tumor lysis syndrome, sepsis, superior vena cava syndrome, airway blockage and severe diarrhea.Languages
    • 24 more Spanish pages are back, including neutropenic fever, sepsis, superior vena cava syndrome, airway blockage, low white blood cells, immunotherapy pneumonitis, coughing up blood, rectal bleeding, bleeding after menopause and breast lumps.En español
    • 19 more are back in Spanish, Arabic, Russian, Vietnamese and Chinese: when a caregiver should call the care team, should I worry about a lump, unexplained fever, immune-related side effects, when a symptom keeps coming back, and headaches before a brain tumor diagnosis.Languages
    • 21 urgent-symptom translations are back, including spinal cord compression, seizures, tumor lysis syndrome, high calcium, early-onset cancer and what to have ready for an urgent oncology call. Printable handouts in Amharic, Gujarati, Hausa, Marathi, Punjabi and Telugu now have their labels and sharing terms in that language.Languages
    • 26 more are back: the colonoscopy and nausea-and-vomiting guides in 13 languages each, with their printable handouts.Printable handouts
    • 21 translated pages are back: cancer fatigue in 14 languages, fever during chemotherapy in Russian, Chinese, Thai and Spanish, neutropenic fever in Russian and Spanish, and chemotherapy in Spanish. Their printable handouts are back too.Printable handouts
  32. September 29, 2026
    SafetyLanguages

    Out-of-date translations now send you to the current English page

    When we correct an English article's numbers, warning signs or safety advice, older translations of it no longer stay up. You get the current English page until the translation is redone.

    • 422 translated pages whose English original has since changed a number, a threshold or an urgent instruction now open the up-to-date English page instead. Translations where only the wording changed stay up, with a note that the English was updated.Languages
    • We rechecked eight support listings against the organizations' own websites, including the 988 Suicide & Crisis Lifeline and several financial-help programs. A listing whose recheck is due now says so even before the page finishes loading.Financial help
  33. September 29, 2026
    New featureLanguages

    Free printable patient handouts, in English and 18 more languages

    Short one-topic fact sheets you can download, print and share: what cancer is, chemotherapy, fatigue, fever during chemo, palliative care and more. Hospitals and clinics may print and hand them out freely, unchanged.

    • Each handout is the text of one of our articles as a printable PDF, with its source, review date and web address. Translations cover every language each topic is published in.Printable handouts
  34. September 29, 2026
    SafetyLanguages

    US emergency steps on 30 more pages, and updated translations

    Some symptom and care pages still pointed to UK services like 999 and A&E. They now say 911, the emergency room, or your own doctor, based on CDC, MedlinePlus and ACS. We also carried this week's safety fixes into the Chinese, Vietnamese, Arabic, Thai and Russian versions of 21 pages.

  35. September 29, 2026
    SafetyAccuracy

    Safety pass on 21 pages: clearer emergency steps and updated treatment facts

    We rechecked 21 pages against CDC, NCI, FDA and MedlinePlus. Emergency signs now point to 911 or the ER, fever advice uses 100.4°F everywhere, and treatment lists include recent FDA approvals.

  36. September 28, 2026
    SafetyLanguagesEasier to use

    Clearer emergency guidance, safety notices in 12 languages, and an easier site on phones

    We re-read our guides about urgent symptoms and made the next step unmistakable, brought the same safety notice to translated pages, and fixed a round of small problems that made the site harder to use on a phone.

    • About 70 English and 55 Spanish guides now say plainly when to call your care team right away, or 911 in an emergency. Signs like a fever during chemotherapy, trouble breathing at rest, coughing up blood or stroke symptoms had been listed under headings like "call the same day".Fever during chemotherapyCancer emergencies
    • Pages built from UK health sources now give the US emergency route (911) next to the UK one, and our grief and support pages now include the 988 Suicide & Crisis Lifeline.Grief after losing someone to cancer
    • Ask Cancer Explained now recognizes more of the ways people describe an emergency, and answers them with the call-911 and 988 message instead of search results.Ask Cancer Explained
    • Translated guides about urgent symptoms, medicines and prognosis now show the same safety notice as the English page, in the reader's language. We also fixed emergency numbers that had run into the next word in Vietnamese, Russian and Arabic pages.All languages
    • The Symptom Checker is now called the Symptom guide. It explains what body changes can mean. It never checked or diagnosed anyone, and the old name suggested it did.Symptom guide
    • On phones, guides now show an "On this page" list, long topic lists have an A–Z bar, the menu no longer lists every section twice, and the donation page puts the amounts on the first screen.SearchDonate
  37. September 28, 2026
    SafetyLanguages

    Clearer warning sign on the chemotherapy page, and refreshed Arabic and Russian translations

    A garbled sentence about nausea on the chemotherapy page now reads clearly, and dozens of Arabic and Russian pages were brought up to date with the current English.

    • Chemotherapy: the 'call within a day or two' list now plainly says to call if nausea means you cannot keep food down.Chemotherapy
  38. September 28, 2026
    Languages

    Twelve lab and genetic-report decoders now in Spanish

    Full Spanish versions of twelve report-terms pages on blood tests, tumor markers and genetic test results.

  39. September 28, 2026
    New guides

    Twelve more report decoders in Spanish: DCIS, LCIS, CIN, LSIL/HSIL, Breslow, Bosniak and more

    Spanish-speaking readers can now read full Spanish versions of twelve more pathology and scan report terms, from breast and cervical biopsy results to melanoma, prostate, kidney, thyroid and chest findings.

  40. September 27, 2026
    New feature

    New: a report highlighter, and a list of saved terms

    Paste the text of a pathology, scan or lab report and see every term we explain highlighted, with a one-line summary and a link to its page. It runs in your browser, so your report text is not sent or saved.

    • The report highlighter recognises report scores as well as words, so BI-RADS 4A, PI-RADS 3 or Gleason 4+3=7 link to the page for that score.Report highlighter
    • Tap “Save term” on a found term or on any report-terms page to keep it in “My saved terms”. The list stays in this browser on this device.How saved terms are stored
  41. September 27, 2026
    New guides

    Twelve new imaging-report decoders

    Plain-language explainers for twelve words and phrases that often appear on scan reports, from ultrasound terms to mammogram, chest, brain and kidney findings.

  42. September 27, 2026
    New guides

    Twelve new lab and genetic-report decoders

    We added plain-language explainers for common kidney, liver and mineral blood tests, a urine test, blasts on a blood smear, and genetic report terms, each checked against National Cancer Institute, NIH and MedlinePlus sources.

  43. September 27, 2026
    New guides

    Twelve new pathology report decoders

    Plain-language explainers for more words you may see on a biopsy or pathology report, checked against National Cancer Institute sources.

  44. September 27, 2026
    New guides

    Eight new lab-result decoders: AFP, hCG, CA 15-3, thyroglobulin, calcitonin, chromogranin A, B2M and ANC

    We added plain-language explainers for eight blood-test terms that often appear on cancer patients' lab results, each checked against National Cancer Institute and MedlinePlus sources.

  45. September 27, 2026
    New guides

    Six new claim-checks on popular "natural" cancer cures

    We checked six products often sold or shared online as cancer cures against National Cancer Institute, NIH and FDA sources: shark cartilage, mistletoe extract, colloidal silver, antineoplastons, CoQ10 and cannabis oil.

  46. September 27, 2026
    New guides

    Ten report decoders now in Spanish: BI-RADS, Gleason, PSA, PI-RADS, TI-RADS, CEA and CA-125

    Spanish-speaking readers can now read full Spanish versions of ten of our report-term explainers, covering common mammogram, prostate, thyroid and tumor-marker results.

  47. September 27, 2026
    New guides

    Six new screening and prevention guides

    We added plain-language guides on what a lung screening visit is like, home stool tests for colon cancer, screening after 75, the Surgeon General's alcohol and cancer advisory, and why there is no routine screening test for ovarian or pancreatic cancer.

  48. September 27, 2026
    New guides

    Eight new claim checks and 16 true-or-false quiz questions

    We checked eight viral cancer claims against federal health sources, from high-dose IV vitamin C to the idea that a cure is being hidden, and added short videos to our myth and screening pages.

  49. September 27, 2026
    New guides

    Ten new report decoders for melanoma, prostate, colon, thyroid and lung results

    We added plain-language explanations of ten terms people find on their pathology and scan reports, from Breslow depth on a melanoma report to Lung-RADS on a lung screening CT.

  50. September 27, 2026
    New guidesNew featureSafety

    Myth-busting guides, a donated picture book, and safer urgent-care steps

    We added plain-language guides to spotting fake cancer cures and common myths, opened a new Donated Works section with a hand-drawn alphabet book shared by a family, and made the urgent-care steps on several side-effect pages clearer and more cautious.

  51. September 26, 2026
    Easier to useAccuracy

    Clearer, simpler writing across well over a thousand pages

    Our editors reread well over a thousand pages on symptoms, side effects, treatments, medicines, diagnosis, screening, test reports and cancer types. Each page now says up front who it is for, uses shorter sentences, explains medical words the first time they appear, and no longer repeats itself. We did not change any facts, numbers, sources or emergency instructions.

    • Every edited page was checked against its previous version so that no statistic, source link, quote or emergency step changed. Anything an editor could not confirm against a federal source is now on our medical review list instead of being guessed at.How we review content
    • Fever pages now state the National Cancer Institute and CDC temperature thresholds side by side, without commentary.Fever and infection during treatment
  52. September 24, 2026
    SafetyEasier to useAccuracy

    A cleaner, easier-to-read site, safer emergency steps, and thousands of fixed links

    We redesigned the home page and top menu so the most useful starting points are easier to find, and made articles easier to read with larger text and fewer distractions. We moved emergency steps to the top where they belong, fixed thousands of broken links on translated pages, connected hundreds of articles that were hard to reach, and replaced photos that did not fit the page they were on.

    • Safety: on our central line and PICC page, the steps for suspected air in the line now start with calling 911, and positioning follows the dispatcher’s instructions. The symptom checker now shows how to reach emergency help at all times, not only after a red-flag symptom is chosen.Central line and PICC troubleshooting
    • Clarified: wording on diet soda limits, breakthrough pain, vitamin D, and supplement claims so a safety limit or a study finding cannot be read as a recommendation. Dose figures now name their source beside the number.
    • Easier to use: a simpler home page and top menu, larger article text, a reading progress bar, and extra material tucked into a single “More on this topic” section so the main explanation comes first.Home
    • Fixed: thousands of links on translated pages that led nowhere now go to the right page, and every translation is checked for broken links before publishing. Hundreds of articles that no other page linked to now appear as related reading.
    • Fixed: photos that did not match their page — for example, a photo of a woman on a prostate cancer page, or adults on childhood cancer pages. Pages about specific carcinogens now show public-domain photos of the substance itself, with credits.
    • New: a brand toolkit with our logos, colors, and guidance for press and partners.Brand toolkit
  53. September 21, 2026
    AccuracySafetyNew guidesEasier to use

    Accuracy pass: corrected survival figures in Chinese, and new report-decoder pages

    An outside technical review prompted a full check of our translations against their English sources. We found five pages in Chinese where a number had been joined to the one beside it during translation — on one, a five-year disease-free survival figure of 67.8 percent was printed as 567.8 percent. All five are corrected against the National Cancer Institute sources they came from, and every translation is now checked automatically before publishing so a figure cannot change in translation again. We also clarified a fever instruction that could be read two ways, published new pages explaining specific Gleason scores, BI-RADS categories and the Nottingham grade, and fixed text running off the edge of the screen on phones.

    • Corrected: five pages in Chinese stated a survival or side-effect percentage that had been garbled in translation. All five now match their National Cancer Institute source, and all 7,746 translated pages are now checked for this automatically.
    • Clarified: on our brain-fog page, a fever during chemotherapy is an emergency. It sat below a “within a day or two” instruction where it could be misread as something that can wait. It now comes first.Brain fog after treatment
    • New: pages for what a specific result means — Gleason 6, 7 (including 3+4 versus 4+3), 8, 9 and 10; BI-RADS 1, 2 and 6, completing the set; and the Nottingham grade on a breast pathology report.Report termsGleason 7
    • Fixed: on some pages, text ran off the side of the screen on a phone and was cut off mid-sentence.
    • Fixed: “Words to know” terms linked to the glossary even when the glossary had no entry for them, dropping readers at the top of a long page with no sign of the word they asked about.Glossary
    • Corrected: several photo descriptions — the text screen readers announce — described a different picture entirely. One was a quote card whose words were not being read aloud at all.
    • New: directories of US and international cancer organisations, with every listed website checked and eight dead or redirected links repaired.US organisationsGlobal organisations
  54. September 17, 2026
    SafetyAccuracyNew featureEasier to use

    Safety pass: fixed gaps in our emergency-symptom detector, plus a homepage myths section

    We found and fixed gaps in Ask Cancer Explained's emergency detector — a decimal-Celsius fever reading, a Spanish fever phrasing, and chest tightness weren't being caught, so those now correctly trigger our urgent-care message, and we added permanent tests so they can't quietly break again. We also fixed Ask's and our on-site search's own basic questions sometimes leading with an unrelated result instead of the right one, corrected a factual gap in our privacy policy about analytics, added several security hardening fixes to our donation and contact forms, and fixed a handful of photos that didn't match their article or had a visible rendering flaw. On the front page, cancer myths and fact-checks — previously easy to miss — now has its own section.

    • Fixed: Ask Cancer Explained's emergency-symptom detector missed some real phrasings of fever and breathing trouble; now catches them, with permanent regression tests.
    • Fixed: Ask's own suggested questions, and common searches, sometimes led with an unrelated article instead of the right one.Ask Cancer ExplainedSearch
    • New: a homepage section for cancer myths and fact-checks, previously reachable only from a rotating slide.Cancer myths, checked
    • Fixed: a handful of photos that didn't match their article's topic, plus two with a visible AI-rendering flaw, replaced.
    • Corrected: a privacy-policy passage about analytics that didn't match how our Google Ad Grants reporting actually works.Privacy policy
    • Hardened: added rate limiting and other abuse protections to several of our forms and donation endpoints.
  55. September 15, 2026
    AccuracyLanguages

    Accuracy pass: fixed translation errors across our non-English articles, and a readability sweep

    We found and fixed a batch of translation errors in our non-English articles where numbers had been run together during machine translation — for example, a survival rate and a hazard ratio merged into one unreadable figure. Each fix was checked against the original English source before we changed anything, so no medical facts or statistics were altered, only restored to their correct, readable form. We also completed a readability pass across roughly 100 news articles that read harder than our grade-9 target, shortening sentences and simplifying wording without touching any medical facts, drug names, or citations.

    • Fixed: garbled numbers and broken links in translated articles across several languages, each corrected against the original English source.
    • Updated: roughly 100 news articles simplified to meet our grade-9 reading-level target, with no change to medical facts or sources.
  56. September 14, 2026
    New featureNew guidesEasier to use

    New: an exercise and movement finder, plus a look at who we are as an organization

    We launched an exercise & movement finder that lists gyms, parks, run and walking clubs, and cancer-survivorship fitness programs — including verified national organizations with their own location search tools — plus a way for readers to suggest a local listing for us to review before it's added. We also added a new article on why the gap between how long you live and how long you live in good health matters, added to our existing exercise & movement hub. Separately, we published a Careers & Volunteering page and expanded our funding-transparency page with the free and discounted technology tools we run on.

  57. September 14, 2026
    SafetyAccuracy

    Safety and accuracy pass: clearer emergency wording, an HPV screening update, and a donation-privacy fix

    We reviewed and rewrote dozens of "when to get help" sections across our treatment-side-effect articles so that genuine emergencies — most often a fever during chemotherapy — read clearly as "call now," not "call today." We also updated our HPV self-collection article: as of April 2026, FDA-cleared at-home HPV self-collection options now exist, alongside the 2024 in-clinic approval. Separately, we fixed a privacy issue where a donor's tribute name and an e-card's personal message could end up stored in a shareable link; both now travel more privately.

  58. September 13, 2026
    New featureNew guidesEasier to use

    New: an Education hub with free downloadable guides you can take offline

    We launched /education, a hub that gathers our plain-language articles into six ready-made guides — one for each stage or topic people ask about most: just diagnosed, understanding treatment, cancer screening, prevention and risk, eating through treatment, and caregiving. Each guide reads on the site like a short book, chapter by chapter, and every guide can also be downloaded as a free PDF to print or keep on your phone for an appointment — no sign-up, no email required. We also added a healthy-eating and nutrition hub (cancerexplained.org/nutrition, also reachable at /food) organized around what's happening right now — nausea, mouth sores, taste changes — rather than by topic, so it's easier to find help for the specific problem you have today.

    • New: the Education hub at /education, with six downloadable guides — Just Diagnosed, Understanding Cancer Treatment, Cancer Screening, Cancer Prevention & Risk, Eating Through Treatment, and Caregiving — each a free PDF you can keep or print.Browse the Education hub
    • New: a healthy-eating and nutrition hub at /nutrition (also at /food), organized by what's happening right now — a side effect, treatment stage, or a claim you saw online — instead of by topic.Visit the nutrition hub
    • New: a resource guide pointing to vetted, professionally developed recipe collections for people in cancer treatment, since we don't publish untested recipes ourselves.Recipe and meal-idea resources
  59. September 13, 2026
    AccuracyEasier to use

    Fact-checks now show a quick-read verdict and cite the federal source behind it

    Every claim-check article (our fact-checks on viral cancer and health claims) now shows a plain, color-coded verdict banner right under the headline — True, Mostly True, Misleading, False, or Unable to Verify — plus the specific federal or primary source the verdict is based on. Cancer Explained isn't the subject-matter expert on any of these claims; we now say plainly, on every fact-check, whose determination we're relaying (FDA, NCI, NIH/PubMed, ClinicalTrials.gov, or public law). All existing fact-checks were updated with this label and citation.

    • New: a quick-read fact-check badge at the top of every claim-check article, naming the federal or primary source behind the verdict, before a single paragraph of body text.
    • A viral post claimed a HEPA air purifier improved cognitive function 12% in a month. We checked PubMed (NIH's own research index) and found a real, matching, peer-reviewed study — we could not independently confirm the exact 12% figure, so we rated the claim "mostly true" rather than fully confirmed.HEPA air purifier claim, fact-checked
  60. September 7, 2026
    SafetyAccuracyNew guides

    A second safety pass, and four new fact-checks on cancer claims making the rounds online

    As part of our ongoing quality-assurance program, we completed a second scheduled editorial audit this month: reconciling a small number of pages whose visible "awaiting review" note hadn't yet been cleared after review was completed, and cleaning up a handful of formatting artifacts left by an earlier automated update. We also published four new fact-checks on cancer-related claims that have been circulating online recently.

    • Three pages had a lingering "pending clinician review" note that hadn't been cleared after their review was completed. We removed them from search and public listing until that housekeeping step is finished, out of an abundance of caution.
    • Twelve pages carried an outdated internal placeholder note (e.g., "not yet public") after already completing review. We updated the status on all twelve for consistency.
    • About 40 news and article pages had blended two different federal statistics sources in their opening line — citing one organization's projected new cases alongside another's survival-rate figures as if they were the same measurement. We corrected the attribution on all of them.
    • Twenty pages had a formatting artifact left behind by an earlier automated update. All twenty have been corrected.
    • Four new fact-checks: a viral claim that a week of fasting makes your body "eat" cancer cells, a claim that ivermectin is a cancer treatment unavailable in the US, and two recent anti-aging claims involving metformin and public comments from Joe Rogan and David Sinclair. Each traces the claim back to what the actual research shows.Fasting and cancer cells, fact-checkedIvermectin cancer claims, fact-checkedRogan/Sinclair anti-aging claims, fact-checkedMetformin, anti-aging, and cancer
  61. September 5, 2026
    SafetyAccuracy

    A safety sweep: clearer emergency help in Spanish, one corrected page for kids, and a rule that the site explains rather than instructs

    A routine content audit produced several improvements worth sharing. The emergency check behind Ask Cancer Explained now understands Spanish and covers more of what is actually urgent during treatment. A page written for children has been updated to align with our other pages' explanation of chemotherapy side effects. And we've added an automated check that keeps every page framed as explaining what is known, rather than issuing direct instructions.

    • Ask Cancer Explained recognises an emergency written in Spanish and answers in Spanish. It also now recognises trouble breathing, bleeding that will not stop, stroke signs, and a fever during treatment — which can be a same-day emergency for someone on chemotherapy — rather than only the shorter English list it started with.Ask Cancer Explained
    • Our kids' page on cancer medicine described feeling tired or losing your hair as happening “because the medicine is working hard.” That's a common belief, but NCI is clear that side effects say nothing about whether treatment is working. The page now explains why side effects happen — chemo also reaches fast-growing healthy cells — and says plainly that doctors use scans and tests, not how you feel, to know how the cancer is doing.The Medicine That Fights Cancer
    • Six pages have been reworded so that a clinician or a named source holds the verb: “you must avoid these foods before the test” is now what the laboratory instructs, and “you should get a written care plan” is now what NCI describes a care team providing. Every page on the site is now checked automatically for this before it can be published.How we review content
    • The transparency page now says plainly who is accountable for this site and why we publish no individual names. Donors, grantmakers, journalists, and regulators who need officer or director names or governing documents can request them in writing.Transparency & Governance
  62. September 3, 2026
    New featureEasier to use

    Cancer in Books, a plain-language Essentials section, and a way to give from a donor-advised fund

    Three additions. A new reading list explains what 50 cancer books actually contain and what none of them can tell you about your own case. A new Essentials section covers the most-searched cancers and risk factors in one short page each. And if your giving sits in a donor-advised fund, you can now recommend a grant on the donate page instead of emailing us.

    • Cancer in Books groups 50 titles by the job each one does — memoir, history, caregiver guide, cookbook — and 21 have their own page setting the book's contents against current federal guidance. A book is written once and read for decades, and these pages say where that shows.Cancer in Books
    • A new Essentials section answers the questions people most often arrive with, one short page each, on the common cancers and on the risk factors the evidence actually supports.Essentials
    • Donor-advised fund giving now works on the site. You can recommend a grant from your fund during checkout, alongside the card option. We say plainly that a DAF grant is not separately deductible to you and that your fund sponsor keeps the record.Donate
    • Four news pages were added, including a fact-check of the half-million-dollar figure travelling with the personalised cancer vaccine story. The number is a bank's valuation model, not a price anyone has announced.News
  63. August 22, 2026
    New featureEasier to useAccuracySafety

    Video, everywhere it helps — and a clean-up pass across the library

    Forty-nine more short videos joined the library, and every one of our videos now has a single page where you can browse them all. Alongside that, a sweep of every published page fixed photo captions that were showing internal file names, repaired links that pointed nowhere, and corrected one symptom page that named the wrong temperature.

    • Forty-nine new one-minute videos cover the basics, screening, prevention, warning signs and the claims people most often search — all captioned, with no ads and no tracking.Watch all videos
    • Every video now lives on one browsable page, grouped by what you are trying to work out. Before this, you could only find one by landing on the right guide.Video libraryUnderstanding reports
    • Photographs across the library were showing internal catalogue names as their captions. Those are gone — a caption is now either real descriptive text or nothing at all.How we review content
    • Repaired links on more than fifty guides that pointed at pages which do not exist, so the next step in a guide now actually opens.Browse the library
    • Standardized a symptom page that had cited a slightly different figure than the rest of the site. Every page now consistently says 100.4°F (38°C), and an automated check covers our video captions too.Fever during chemotherapy
  64. August 21, 2026
    New featureAccuracy

    Watch it explained: 30 short videos, captioned and checked

    Cancer Explained now has video. Thirty short explainers — how to read a pathology report, staging and TNM, biopsy results, frightening scan language, and the most-asked myth checks — play right on the relevant pages: self-hosted, captioned, no ads, no tracking. Every narration script was compared with the site's sourced pages before rendering, the same source check our articles get.

    • Seven walkthrough explainers cover whole reports — pathology, imaging, staging, grade vs. stage, margins, tumor markers — and appear on the matching guides and the reports hub.Understanding reports
    • Twenty-three quick answers, each about a minute: single report terms like invasive, in situ, Ki-67, HER2, Gleason and BI-RADS, plus everyday questions — does sugar feed cancer, does 5G, what actually causes it.Report decoder
  65. August 21, 2026
    New guidesAccuracy

    44 new guides and research explainers, checked against federal sources

    A survey of the topics people encounter in cancer news led to 44 new pages: 38 plain-language guides — from reading an eosinophil count to caregiving during radiation — and 6 explainers on recent FDA approvals and major trial results. Every page was written from NCI, FDA, CDC and NIH sources, then independently fact-checked against those sources before publication.

    • New everyday-question guides: bone scans, colon polyps found at colonoscopy, 2D vs 3D mammograms, lung cancer in people who never smoked, skin cancer in people of color, and more.Browse all articles
    • Six research explainers translate recent advances — the CHALLENGE exercise trial in colon cancer, the INTERLACE, CROWN, LAURA and NADINA trials, and the FDA approval of revumenib for acute leukemia — into what was actually shown, and what was not.Latest news
    • Four new claim checks weigh popular claims — fenbendazole, ivermectin, base tans, and chocolate — against what FDA and NCI actually say.Claim checks
  66. August 21, 2026
    AccuracyEasier to use

    Honest dates on every page, and clearer nonprofit facts up front

    August's accuracy and safety passes changed thousands of pages, but the pages kept their older “last updated” dates. Every article now shows the date its content actually last changed, in English and Spanish. The homepage mission now states our IRS-recognized 501(c)(3) status plainly, and two practical tools that search engines could not find are now in our sitemap.

  67. August 20, 2026
    SafetyAccuracy

    One temperature, one rule: 100.4°F, on every page

    Two trusted federal sources cite two slightly different fever thresholds for chemotherapy — CDC lists 100.4°F (38°C), while NCI prints 100.5°F beside the same Celsius figure. We standardized every page on this site to the more conservative CDC figure, added an automated check to keep it consistent going forward, and our medicine guides now draw a clean line between what you handle at home and what only your treatment team runs.

    • Every page that names a fever threshold during cancer treatment now says 100.4°F (38°C), matching CDC — in English, Spanish, and every other language we publish. Where a page quotes NCI’s printed 100.5°F, it now also shows the conversion and tells you to act on the lower number. A new automated check blocks any future page from teaching the higher one.Fever during chemotherapy
    • Medicine guides now follow one rule. Amounts you handle at home — tablet strengths, missed-dose rules — stay on the page, tied to your own prescription label. Schedules only your treatment team runs — dose build-ups, infusion amounts, monitoring calendars — live where they belong: in your prescription, not on a web page that cannot know your kidneys, your liver, or your other medicines.Cancer medicines, explained
    • The money-saving guide now says plainly what was always true: tips like splitting tablets or partial refills are for supportive medicines, never for the cancer drug itself — with a direct route to real financial help for the drug that actually costs the most.Saving money on cancer medicines
    • We clarified emergency guidance so it's unambiguous: sudden, complete inability to urinate is treated as an emergency, distinct from lower urine output over a day, which is a different and less urgent concern.Warning signs
  68. August 19, 2026
    New guidesLanguages

    The melanoma vaccine result, explained in four parts, and a safety review of every translated page

    This week's news writing takes two stories people are arriving confused about and explains what the findings actually support — including four pages on the melanoma trial alone, because most of the confusion is in the difference between what it measured and what people think it measured. Alongside them, our pages in eleven other languages were reviewed against their English versions so that the when-to-get-help guidance reads the same in every one.

  69. August 19, 2026
    SafetyAccuracy

    An independent safety audit, and the source review completed

    We commissioned an outside review of the medical safety of this library, worked through every finding it raised, and published our reasoning where we disagreed. In the same week the source-review programme finished its first pass: every page on this site was compared with the sources it cites. (Corrected September 2026: that pass was not a line-by-line record, and a queue of statements whose figures we could not find in the cited source is still being worked through.)

    • Every finding the audit raised was worked through and resolved. Where we disagreed with one, we recorded why, rather than changing a page to make a report come back clean.How we review
    • Patient pages point you at your own prescription label rather than at prescriber-facing dose tables. Where a page names a dose you might actually handle at home, the number to follow is the one on your own box.How we review
    • Urgent-symptom guidance was tightened across the library, and an automated check now blocks any future page that would place an emergency in a slower tier.Warning signs
    • The source-review programme is complete. All 2,656 remaining pages were reviewed, so every page here has been through a source check at least once.Our sources
  70. August 17, 2026
    Accuracy

    Survival figures brought up to the newest data release

    Survival statistics go out of date quietly — the number sits on the page long after it stops being the current one. Every page on the site that carries one has been refreshed against the latest release, and the sourcing behind each figure is now stated precisely.

  71. August 15, 2026
    Easier to use

    A faster site, and a front door that asks where you are

    Most people arrive here on a phone, often on a bad connection, often within a day of hearing news they did not want. The home page now starts with where you are rather than with what we have, and the pages themselves load faster.

    • The home page opens with a short set of routes — newly diagnosed, in treatment, caring for someone — instead of asking you to pick from a library.Home
    • Pages load noticeably faster on phones. We stopped preloading menus nobody had opened, dropped a compatibility bundle modern browsers do not need, and added a smaller image size for the phone screens that were downloading one too large.Home
    • The donate page was rebuilt: clearer about what a gift pays for, honest that we cannot price a single page, and it now mentions employer matching where you can see it.Donate
  72. August 13, 2026
    Safety

    One clear standard for when a symptom cannot wait

    Knowing whether something needs a phone call, a same-day appointment or an emergency room is one of the hardest things to judge from home. All 881 pages that tell a reader when to act now follow a single standard, matched to CDC and NCI wording, in English and in Spanish.

    • A fever during chemotherapy is a medical emergency. Every chemotherapy-related page now says so in the CDC’s own words, with the temperature that counts and what to do at any hour of the day or night.Fever during chemotherapy
    • Our highest-risk pages — emergencies, dosing, anything where acting on a single sentence matters most — were each re-read against the source they cite, and now sit on a shorter re-check cycle than the rest of the library.How we review
    • Guidance was calibrated in both directions. Some situations now escalate faster; others no longer send you to an emergency room for something that can safely wait for the clinic. Being wrong either way has a cost, and we tuned for both.Warning signs
  73. August 11, 2026
    New guides

    358 new plain-language guides on the questions people actually ask

    We looked at what patients, survivors and caregivers ask each other in public online communities, then checked every one of those questions against what we already had. Most were already covered. The ones that were not became this release: how to read the words on a scan or lab report, what specific side effects feel like and what to do about them, honest answers to circulating claims about food, household products and workplaces, and the practical machinery of insurance appeals, leave from work and disability benefits. Every page is written from a named federal source, at a grade 7 to 8 reading level.

    • Report and lab language, decoded one term at a time, so a result you read in a portal at 10pm makes sense before your next appointment.Tests and scans
    • Day-to-day treatment questions, from port care and mouth sores to what to eat when nothing appeals.Side effects
    • Straight answers on claims that circulate online about food, household products, devices and workplace exposures, each one checked against NCI, FDA, CDC or EPA.Prevention and risk
    • The parts nobody explains: appealing a denial, external review, FMLA, ADA accommodations, SSDI and the Compassionate Allowances list.Living with cancer
  74. August 9, 2026
    New guides

    When Advanced Prostate Cancer Starts Moving Again

    Hunter Biden told the BBC that his father's prostate cancer had spread further into the bones and was painful. We added a page about what that phase actually involves: how progression is measured, what castration-resistant disease means, which treatments are approved once hormone therapy stops holding, and why reporting pain early makes the medicine work better.

  75. August 6, 2026
    Easier to useNew guides

    A Plain-English Pass Over the Whole Library

    No new section this time — a pass over what was already here. Hundreds of pages across the guides, the news archive and the answered questions were rewritten to read more plainly and to say something of their own rather than lean on a shared template. Claims were checked against named sources, and ones that could not be supported were corrected or cut. The counts on the home page are now links, and the body diagram has been redrawn.

    • Cancer information has a way of drifting into the language of a medical journal. Sentences were shortened, long clauses split, and terms explained where they appear rather than assumed — so a page works for someone reading on a phone in a waiting room. The medicine did not change. The reading did.What the library holds
    • Pages that had been built from a shared outline were rewritten to fit their own subject, so each one reads as a page about its topic rather than a template filled in. Where two pages still carry the same sentence, it is because both need it — the note that no clinician has checked a page unless one is named, for instance.Where our information comes from
    • Claims were checked against named, checkable sources, and ones that could not be supported were corrected or cut; some attribution work remains open. Attributions were made precise, ageing statistics refreshed, a Medicare eligibility answer brought in line with the current rule, and dead citations replaced with working federal ones.News and analysis
    • Two new automated checks now run over the whole library before anything goes live. One scores how hard each page is to read and blocks any page that lands above a ninth-grade reading level. The other looks across guides, news and questions at once for pages built from the same template. Neither is advisory: a failing check stops the publish.Answered questions
    • The body diagram you can use to find information by where a symptom is has been redrawn. It was a stick figure. It is now a proper body outline with the organs marked, and the keyboard highlight that had stopped appearing works again.Explore by part of the body
    • Smaller thing you may notice: the eight counts on the home page — articles, quiz questions, answered questions, glossary terms and the rest — are now clickable, so each one takes you straight to what it counts.Glossary
  76. August 4, 2026
    New guidesLanguagesNew feature

    Survival Numbers, Blood Cancers, and Two New Trackers

    About 112 new guides this sprint: survival and outlook pages for two dozen cancer types, blood cancer symptom and staging pages, and risk-factor pages rounding out the major cancers. Spanish grew by 110 real, human-checked translations and the last placeholder stubs are gone, the site now speaks Korean and Haitian Creole too, and there are two new tools for tracking your own care.

    • There was no survival or prognosis data anywhere on the site until now — one of the first things a newly diagnosed person searches for, and we had nothing. The new pages are careful about what the numbers mean and do not mean: a five-year relative survival rate describes a large group of people diagnosed years ago, not a prediction about you, and it is not the most current data available because treatments keep improving faster than the statistics can track.Lung cancer survival rates and what they really meanProstate cancer survival rates and what they really mean
    • Blood cancers stage differently from solid tumors, and that confuses people who go looking for the TNM system they have heard of elsewhere. CLL is staged with the Rai or Binet system, based on blood counts and a physical exam rather than imaging. Multiple myeloma uses the Revised International Staging System, built from a blood protein, albumin, an enzyme called LDH, and chromosome findings. New pages cover staging and symptoms across leukemia, lymphoma, and myeloma.CLL staging: the Rai and Binet systems explainedMultiple myeloma staging: the R-ISS systemLeukemia symptoms: what to watch for and when to get help
    • Risk-factor pages now exist for every major cancer, including several that were missing entirely — lung, breast, melanoma, leukemia, lymphoma, and more. They are careful to say the thing that gets lost in most risk-factor lists: having risk factors does not mean you will get cancer, not having any does not mean you will not, and no one caused their own cancer by having them.Lung cancer risk factors: smoking and beyondBreast cancer risk factors: what raises and lowers risk
    • Spanish stopped being mostly a facade. Roughly a thousand pages used to say, in effect, “not translated yet” and send you back to cancer.gov/español — those stubs are gone. In their place are 110 new full translations, written and checked in Spanish rather than run through once and left. The site also added Korean and Haitian Creole to its language list this sprint.Cancer Explained en españolLanguages
    • Two new tools for tracking what is happening to you over time, both private and kept on your device only. The symptom and side-effect diary logs severity over time, shows a simple trend for each one, watches for wording that sounds urgent as you type, and exports a clean summary for your next appointment. The next-steps tracker is a running list for after a diagnosis or a new result, so the follow-up scan nobody wrote down does not quietly fall through the cracks.Symptom & side effect diaryNext steps tracker
    • Behind the scenes, the site now keeps a record of what people search for and find nothing — not the words themselves unless they match the site's own vocabulary, just the pattern of a search that came up empty more than once. That list is becoming the actual queue for what to write next, instead of guessing.
  77. July 30, 2026
    New guidesNew feature

    Dogs, Cancer, and What the Evidence Actually Shows

    Seven new guides on the questions people ask about dogs and cancer — whether dogs can smell it, whether therapy dogs help, what a service dog is allowed to do that a much-loved pet is not, and how to keep your own dog through treatment.

    • Dogs really can be trained to pick cancer samples out of a line-up in a laboratory. That is a real finding, and it is not the same as a test. Across 62 published studies, accuracy ranged from barely better than guessing to near-perfect, only six were run under conditions resembling real screening, and fewer than 200 dogs worldwide have been studied. No dog is an approved cancer test anywhere. The page says so plainly, because the risk with a story this charming is that somebody delays getting a lump checked.Can dogs smell cancer?
    • The largest trial of therapy dogs in childhood cancer found something nobody was looking for. Anxiety fell in the children who got dog visits — and fell just as much in the children who did not. What did change was the parents, whose stress dropped significantly. The visits appear to reach the people standing in the corridor that nobody is watching.Do therapy dogs actually help?
    • Service dogs, therapy dogs and emotional support animals are three different things in law, not three levels of the same thing, and the rules changed again this year. Airlines stopped having to carry emotional support animals in 2021. In May 2026 federal housing guidance moved to the same standard, so an untrained emotional support animal is no longer automatically accommodated in a rental. If you rent and rely on an animal, this one matters.Service dogs, therapy dogs and emotional support animalsCan I bring my dog to treatment?
    • Two practical guides for keeping your own dog. Almost nobody needs to rehome one. The adjustments are small — someone else picks up waste, the dog stays away from a line or a wound — with one exception worth knowing: federal testing found salmonella in 7.7% and listeria in 16.3% of raw pet food samples, and that risk lands on you. The harder problem is usually logistics, so the second guide is about who walks the dog on your worst day and how to ask before you are desperate.Keeping your dog safely during treatmentCaring for your dog while you are in treatment
    • Pet dogs get cancers that closely resemble ours, and they get them naturally rather than in a laboratory. A National Cancer Institute programme and a network of twenty veterinary centres run trials in dogs whose owners enrol them, which can answer questions faster than a human trial can.How dogs with cancer help human research
    • The site also gained new photographs this month for the parts of cancer that had none: palliative and hospice care, eating when nothing tastes right, and faith and chaplaincy. And the front page is now a much longer scroll, because almost everything the library holds was invisible from it.What the library holds
  78. July 30, 2026
    New guidesLanguages

    Faith, Cancer, and What the Evidence Shows

    Nineteen new guides and thirty-four short answers on the sacraments in hospital, what religious teaching actually says about treatment decisions at the end of life, and what the research on prayer does and does not show. Six are also in Spanish.

    • Three beliefs cause most of the distress in this area, and all three are wrong. Anointing of the Sick is not only for the dying — the Catechism says it is fitting before a serious operation and may be repeated. Nobody is obliged to accept every treatment offered. And nobody is expected to refuse pain relief. The new pages quote the documents so you can check them yourself.Catholic faith and cancer
    • The hardest conversations get their own pages, with the texts in full: stopping treatment that is not helping, feeding tubes and IV fluids as death approaches, palliative sedation, assisted dying, fertility preservation before treatment, and what changes at a Catholic hospital.Stopping cancer treatmentFeeding tubes and IV fluids
    • We also looked at what the research actually found. Randomized trials of prayer for medical outcomes have not shown an effect, and no trial has tested cancer survival at all. Research on a person's own faith is a different question with different, more modest answers. We have kept the two apart, because collapsing them is how people end up being told their cancer progressed because they did not believe hard enough.Does prayer cure cancer?
    • Three companion guides cover the same ground for other traditions and for none: Jewish teaching, where the Orthodox, Conservative and Reform movements genuinely disagree about the end of life; Islamic teaching, where most jurists hold that seeking treatment is permitted rather than required; and spiritual care for people who are not religious, where the research measure was deliberately written so an atheist can complete it.Jewish teaching and cancer careIslamic teaching and cancer careSpiritual care when you are not religious
  79. July 29, 2026
    New guidesEasier to use

    Remembering Technoblade, and a Sharper Library

    A new piece about the Minecraft streamer Technoblade and the symptom he explained away, plus a round of work merging overlapping guides so every question has one clear, complete answer.

    • Technoblade was 23, had ten million subscribers, and thought the pain in his arm was from too much gaming. The swelling is what sent him to hospital. The page covers what sarcoma is, why some kinds are most common in young people, and how to tell an ache that needs looking at from one that does not.Remembering Technoblade and understanding sarcoma
    • Where several pages covered the same ground, we merged them into the single most complete guide — about 175 in this round — so a search brings you to the full answer instead of a partial one. If a page you had bookmarked now takes you somewhere else, that is why.
    • You can now see exactly where our information comes from. Our provenance page names the specific federal document behind each fact — the NCI page, the FDA label, the trial record — so you can open the original and read it yourself.Where our information comes from
  80. July 27, 2026
    New feature

    A Worksheet for Comparing Treatments

    The last tool we had listed as coming soon is now built: a printable worksheet for holding treatment options side by side, with the questions that fill it in.

    • Treatment options are usually explained one at a time, and by the time you get home you have half of one and a fragment of the other. The new worksheet gives each option a column and each thing worth knowing a row — including what happens if you wait, which is a real option people are rarely invited to weigh. It does not score or recommend anything, and you can print it blank and fill it in at the appointment.Treatment comparison worksheet
  81. July 26, 2026
    New featureNew guides

    Two New Tools, and a Round of Claim Checks

    A tool for appealing an insurance denial, a clinical trial search, and a set of pages checking claims that are circulating online right now.

    • If your insurer has said no, the new appeal builder walks you from the reason on your denial letter to a printable letter, with the deadlines that apply to your plan. Nothing you type leaves your browser.Insurance appeal builder
    • You can now search open cancer trials by condition and place, straight from the public ClinicalTrials.gov registry. It is a search, not an eligibility check — the trial team decides that.Clinical trial finder
    • New claim checks on things being shared widely right now: whether metformin treats or prevents cancer, whether it slows ageing, what the evidence for NMN and resveratrol actually is, and the viral video claiming frog bacteria cures cancer.Does metformin treat or prevent cancer?Did scientists cure cancer with frog bacteria?
    • Nineteen Cancer on Screen pages are now published. We held each one until we could confirm exactly what the film names, and each now says so plainly — including where sources disagree, or where nothing is named at all.Cancer on Screen
    • Every guide and news page now has a way to send it to someone, with an opening line written for you so you do not have to find the words yourself.
  82. July 25, 2026
    Easier to use

    A Clearer Home Page

    Rebuilt the home page around the questions people actually arrive with, so the first screen points you somewhere useful instead of asking you to hunt.

  83. July 23, 2026
    New featureNew guidesEasier to use

    Comprehensive Cancer Prevention Library, Possible Warning Signs System & Patient Care Guides

    Launched a major evidence-based content expansion: 100 Cancer Risk Reduction topics across 8 categories, 100 Possible Cancer Warning Signs across 10 body areas, and 20 patient and caregiver navigation guides.

  84. July 22, 2026
    New guidesEasier to use

    High-priority cancer emergencies, blood cancers, survivorship, genetics, and practical care

    We completed two major gap-closing releases: 105 rare-cancer and practical-care guides, followed by a 113-page high-priority clinical set. Safety-sensitive emergency, metastatic-complication, device, and crisis drafts remain excluded from public search until qualified human review.

  85. July 21, 2026
    New guidesLanguagesEasier to use

    A major gap-closing content release for search, reports, treatment decisions, and practical help

    This update expands shorter pages, adds focused report-code and treatment-regimen guides, fills more cancer-type follow-up gaps, adds practical access and caregiver pages, grows Spanish coverage, and adds original news formats built for Google Search, News, and Discover.

  86. July 20, 2026
    New guidesLanguagesEasier to use

    Sixty new search guides, quizzes, Spanish pages, and clearer site updates

    A large new batch fills common search gaps: symptom questions, report-term explainers, newly diagnosed guides, treatment comparisons, practical support pages, matching quizzes, Spanish guides, and new visual assets for discovery.

  87. July 18, 2026
    New guides

    Nine new current cancer news explainers

    The News section now has full articles on this week's FDA approvals, pediatric brain tumor cell therapy, ADC research, cancer drug shortages, microbiome research, diet risk, comparative oncology, and cannabis-smoking risk.

  88. July 18, 2026
    New guidesEasier to use

    New topic centers for prevention, research, insurance, pets, faith, and global data

    A second wave of public pages turns the big expansion notes into findable, source-linked starting points without overwhelming the homepage.

    • Added a Welcome Center that works like a calm museum entrance: choose a starting point by diagnosis, caregiver role, age, body part, research interest, or practical support need.Welcome Center
    • Added Worldwide Cancer Statistics for global prevalence, mortality, treatment access, costs, barriers, and data-source caveats.Statistics
    • Added Cancer and Insurance, including a careful answer to whether cancer can be separately insured and why supplemental policies are not a substitute for comprehensive health insurance.Insurance
    • Added Cancer in Pets, with dog and cat warning signs, veterinary oncology, quality-of-life planning, and comparative oncology context.Pets
    • Added Peer-Reviewed Cancer Studies for abstracts, research paths, study-type labels, and safer ways to read new findings.Research Studies
    • Added Prayer, Faith, and Cancer to separate spiritual coping support from unsupported promises about physical outcomes.Prayer and Cancer
    • Added Prevention and Risk, Cancer Myths, Treatment Pathways, Lessons From Public Cancer Stories, and Translation Review pages, all linked from search, sitemap, and navigation.PreventionMythsTreatment PathsStoriesTranslation Review
  89. July 18, 2026
    New featureNew guidesEasier to use

    Clearer mobile navigation, a new research news explainer, and more transparency

    A cleaner experience on phones and tablets, a new plain-language research news article, and clearer public pages about how Cancer Explained is funded, governed, and reviewed.

    • Improved the phone and portrait-tablet navigation so the most helpful starting points are easier to reach without scrolling through a long horizontal menu.Start Here
    • Added a new cancer research news explainer about a mouse-imaging method that links whole-body tumor scans with cell-level detail, with careful context that the work is preclinical and not a patient scan.Read Article
    • Added a new Why Cancer Explained page that explains where the site fits alongside trusted sources, why plain-language navigation matters, and what the site does not do.Why Cancer Explained
    • Expanded donation and transparency pages with clearer fund information, restricted-gift safeguards, source standards, AI quality checks, and content-governance notes.DonateFundingTransparencyReview Policy
    • Clarified site routing: /news remains the cancer news section, while /new and /updates point to the What's New page for site updates.NewsWhat's New
  90. July 2026
    New featureLanguagesEasier to use

    Side effects by treatment, and 37 more guides en español

    A new tool that shows which side effects come with which treatment, Spanish translations of our symptoms, treatments, and cancer-basics guides, and a much faster path from our writers to your screen.

    • New Side Effects by Treatment explorer: choose chemotherapy, radiation, immunotherapy, surgery, or another treatment and see which side effects are common with it, what helps, and the warning signs that mean call your care team right away — each linked to a full plain-language guide.ExplorerSide Effects
    • 37 new Spanish guides: every symptom guide (lumps, unexplained weight loss, night sweats, when to worry), all major treatment explainers (CAR T-cell therapy, brachytherapy, hormone therapy, stem cell transplants), and the cancer-basics library — 193 Spanish guides and counting.Spanish LibrarySpanish Topics
    • Two same-titled guides on children's clinical trials now have distinct titles so families can find the right one.Cancer Trial Pages
    • Behind the scenes: new guides now reach the site within about an hour of being written.Latest Updates
    • A friendlier menu: every item in the top navigation now has a small color-coded icon, each menu highlights one place to start — like the Diagnosis Navigator or the Support Finder — with a little hand-drawn illustration, and phones now get the same rich menu instead of a stripped-down list.NavigatorSupport Finder
  91. July 2026
    New featureNew guidesLanguagesEasier to use

    Medicine guides, the decoder en español, and cancer explained offline

    Forty plain-language guides to major cancer medicines, a Spanish version of the report decoder, a side-effects survival hub, a 5-day email course, and the whole library as a free offline download.

    • New Medicines section: 40 plain-language guides to major cancer drugs — Keytruda, Herceptin, Tagrisso, tamoxifen, cisplatin, and more — what each one is, how it's given, common side effects, and questions to ask, all grounded in National Cancer Institute drug pages.Medicines
    • El decodificador, en español: the report term decoder now explains all 151 report terms in Spanish — paste an English report, read the explanations in Spanish. As far as we know, the only tool of its kind.Decodificador
    • The Side Effects hub now leads with the red flags that can't wait — fever during chemo, unstoppable vomiting — and connects eating help, emotional support, and medicine guides in one place.Side Effects Hub
    • Understanding Your Diagnosis: a free 5-day email mini-course for the first weeks after a diagnosis — one short, plain-language email a day.Email Course
    • Cancer Explained now works without the internet: download the whole library as a free Kiwix file for clinics, schools, and anywhere Wi-Fi doesn't reach.Offline Library
    • A printable waiting-room handout oncology offices can print freely — with a QR code straight to the site.For ProfessionalsPrintables
    • Behind the scenes: a weekly checker now watches every source link we cite for rot, and reader feedback now guides which pages we improve first.SourcesCorrections
  92. July 2026
    New featureNew guidesLanguagesEasier to use

    Decode your report, check the claims, and a faster site for everyone

    A tool that explains the scary words on your pathology or lab report, 17 new fact-checks of circulating cancer claims, and big speed and accessibility improvements.

  93. July 2026
    New featureNew guides

    Cancer, explained for kids and teens

    A brand-new section written to be read by children and teens themselves — gentle, honest, and free of sign-ups or tracking.

    • New Kids & Teens section with a Kids' Corner (ages 6–12), pages for children when a parent or sibling has cancer, and a straight-talking track For Teens.Kids & Teens
    • Every kids' page has a 'Read this to me' button, and the hardest question — 'Did I do something wrong?' — gets its own clear answer: no.Kids & Teens
    • A kid-friendly word list explains tumor, chemo, port, and more, plus a printable 'My Hospital Bag' checklist kids can pack themselves.Word ListHospital Bag
    • Reading level is checked automatically so the young-kids pages stay simple.Kids & Teens
  94. July 2026
    New featureNew guidesLanguagesEasier to use

    A Clinical Trials Center, guided journeys, and more languages

    A big set of learning tools shipped recently — plus natural-sounding read-aloud, more languages, and a fresh new look.

  95. July 2026
    New featureNew guides

    Help writing a supportive message

    It's hard to know what to say to someone with cancer. Now, when you send an e-card, we can help you find the words.

  96. July 2026
    New featureLanguagesNew guides

    A symptom checker and a much bigger Spanish library

    New ways to find what you need, and far more of our library available in Spanish.

  97. July 2026
    New featureNew guides

    Explore cancer by body part

    A friendlier way to explore, and a clearer picture of just how much free information is here.

    • New interactive body map — choose a part of the body to see the cancers that can affect it.Body Map
    • Expanded the Symptoms section with 14 warning-sign guides, from unexplained weight loss to when to see a doctor.Symptoms
    • Added a live counter on the homepage so you can see how much free, plain-language information is available.Homepage
  98. July 2026
    New guides

    Childhood cancer, and help with costs

    New support for families facing a child's diagnosis, and clearer guidance on paying for care.

  99. July 2026
    New guides

    Understanding what causes cancer

    A big new section on carcinogens and how safety warnings and rules actually work.

    • Added 100 plain-language guides on substances linked to cancer, and how agencies classify and regulate them.Carcinogens
    • Explains hazard vs. risk, so headlines about 'cancer-causing' things are easier to make sense of.Hazard vs. Risk
  100. July 2026
    New featureLanguages

    Guided journeys, news, and more languages

    Step-by-step starting points for the hardest moments, plus new ways to stay informed.