Always growing, always free
What’s new
Cancer Explained keeps growing — new plain-language guides, helpful tools, and more languages, added all the time. Here’s a look at what we’ve been building, so you can see exactly what your support helps create.
A growing, free library
0+ free resources
Every explainer, quiz, and answer on Cancer Explained is free, based on trusted National Cancer Institute resources, and written in plain language. Here’s what’s waiting for you.
Recent updates
- July 2026New 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.
- Added a Message Helper to our e-cards that suggests warm, respectful messages — which you can always edit to sound like you.
- New guide: How to Talk to Someone With Cancer — what to say, what to avoid, and what to text when you don't know what to say.
- New guide: How to Support Someone With Cancer — practical, caring ways to help.
- New coping guides: Coping While Waiting for Test Results, and Cancer Anxiety and Uncertainty.
- July 2026New 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.
- New Symptom Checker — pick what you're noticing to find plain-language information and guidance on when to see a doctor.
- Our Spanish library grew to more than 70 translated guides.
- Completed in-depth guides for every major cancer, each covering symptoms, types, stages, and treatment.
- July 2026New 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.
- Expanded the Symptoms section with 14 warning-sign guides, from unexplained weight loss to when to see a doctor.
- Added a live counter on the homepage so you can see how much free, plain-language information is available.
- July 2026New guides
Childhood cancer, and help with costs
New support for families facing a child's diagnosis, and clearer guidance on paying for care.
- New Childhood Cancer section written for families — the common childhood cancers, family and school support, and survivorship.
- New plain-language guides on Medicare and Medicaid for cancer care.
- Deeper guides for breast, colon, esophageal, and brain cancers.
- July 2026New 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.
- Explains hazard vs. risk, so headlines about 'cancer-causing' things are easier to make sense of.
- July 2026New featureLanguages
Guided journeys, news, and more languages
Step-by-step starting points for the hardest moments, plus new ways to stay informed.
- New hubs for people who were just diagnosed and for caregivers — one calm step at a time.
- Weekly cancer news, printable one-pagers for clinics and schools, and a growing Spanish library.
- Reading tools like quizzes, flashcards, and a plain-language glossary.
Made possible by people like you
Your support keeps this free
Right now, Cancer Explained offers 1,784+ free resources — 407 plain-language guides, a glossary of 382 terms, and more, in 43 languages. No ads. No paywalls. No login. Just clear, trustworthy cancer information for anyone who needs it.
That’s only possible because people choose to give. If these guides have helped you or someone you love, a gift of any size helps us keep them free — and keep adding more.
Thank you for being part of this. Want a lighter way to help? Send a supportive e-card or get our newsletter.