Everything on Cancer Explained

One page, the whole platform: 4,572+ free resources — articles, journeys, tools, guides, downloads, and games — built mostly from National Cancer Institute content, all free, all in plain language.

More hubs & specialty pages

Focused pages that live outside the five main navigation pillars.

Learn about cancer

3059 plain-language articles across 28 topics, many of them built from National Cancer Institute resources.

Learning journeys & personalized start

10 step-by-step learning journeys (104 modules) that track your learning — never your health.

Tools

Interactive helpers that prepare you for real conversations with your care team. Everything stays on your device.

Clinical Trials Education Center

22 guide sections, 22 FAQs, 18 terms, and 10 cancer-specific education hubs. Educational only — never recommendations.

Side Effect Library

Side effects explained — what they are, why they may happen, and questions to ask your care team.

Play & practice

12 game lessons, knowledge checks for every article, and flashcards — learning that feels helpful, never like homework.

Downloads & printables

45 download-center resources and 40 printable one-pagers — checklists, trackers, note pages, and guides.

News & fresh content

986 news explainers connecting current events to trustworthy cancer education.

Support & comfort

For patients, caregivers, and everyone holding someone's hand through this.

Give & share support

50 free e-card designs plus giving options that keep all of this free.

Trust & transparency

How this site is made, sourced, and kept honest.

What’s new — changelog

How Cancer Explained has grown, release by release.

October 13, 2026
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.
- Each page says what the post claims, what the sources show, what we could not open, and what to do.
October 13, 2026 (more languages)
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- Another 144 Vietnamese and Chinese articles that we had paused while they were out of date are back.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.
October 12, 2026 (more languages)
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.
October 11, 2026 (more languages)
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.
October 11, 2026 (news)
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.
October 10, 2026 (more languages)
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.

Everything here is educational only — not medical advice. Cancer Explained does not diagnose, recommend treatment, or replace your healthcare team. Most content is based on National Cancer Institute resources; NCI does not endorse this site.