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Cancer Explained

Why support us

Clear cancer answers, free for everyone

A cancer diagnosis is frightening and confusing enough without hitting a paywall or a wall of jargon. Cancer Explained turns trusted information into plain, calm language — free, ad-free, and open to anyone. Your support is what keeps it that way.

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.

0Plain-language articles
0Quiz questions
0Answered questions
0Glossary terms
0News & culture stories
0Languages supported

What your gift makes possible

We’re a small nonprofit, so support goes a long way. Here’s what gifts help us do.

Keep it free and ad-free

No paywalls, no ads, and we never sell your data. Your gift keeps every guide open to anyone who needs it.

Reach more people, in more languages

Cancer doesn't only speak English. Support helps us translate more of the library so more families can understand it.

Add new guides and tools

From symptoms to survivorship, gifts help us write new plain-language guides and build helpful tools.

Keep content reviewed and current

Cancer information changes. Support helps us review and update guides so they stay accurate and trustworthy.

Why you can trust Cancer Explained

Trusted sourcesBased on NCI, NIH, CDC, FDA & peer-reviewed research
Human-reviewedPeople check every guide — AI never publishes on its own
Ad-free & privateNo ads, and we never sell your data
Always freeNo paywalls, no login required
NonprofitA project of a public-benefit nonprofit (501(c)(3) pending)
Plain languageWritten to be clear, calm, and easy to read

See exactly how we create and review our content, or read our transparency & governance page.

Help keep cancer answers free

If these guides have helped you or someone you love, a gift of any size helps us keep them free — and keep adding more.

National Cancer Information Foundation has applied for recognition as a tax-exempt organization under Section 501(c)(3). IRS determination is pending. If approved by the IRS, exemption is generally recognized back to the organization's formation date. Until approval, donors do not have advance assurance that contributions will be tax-deductible.