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Every explainer, knowledge check, 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.

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Recent updates

  1. October 25, 2026
    Accuracy

    More source checks on answers and news stories

    We kept checking our answers, news stories and pages about public figures against the sources they cite. Details we could not confirm were removed or softened, and several numbers, dates and descriptions were corrected.

    • Corrected numbers, dates and descriptions on hundreds of pages, and held back a few pages whose central claim we could not confirm.News
  2. October 23, 2026
    Safety

    Faster help for serious side effects

    An outside review found guides that told readers to wait a day or two before calling about symptoms their own medicine labels say to report right away. We moved those symptoms to "call right away" and made the tools safer.

    • Rash that blisters or peels, new vision changes, infections or easy bruising after CAR T-cell therapy, reduced urine on Pluvicto or cisplatin, and fever with kidney treatment now say to call right away.Medicine guides
    • Ask now gives poison-control and care-team guidance at once when someone says an extra or double dose of a cancer medicine was taken.Ask
    • The symptom guide now shows a fever warning for people on cancer treatment, and offers separate blood in the stool and blood in the urine choices.Symptom guide
    • The clinical trial finder now says when results are a limited preview and links to the full list.Trial finder
  3. October 22, 2026
    Accuracy

    More source checks on answers and news stories

    We kept checking our answers, news stories and pages about public figures against the sources they cite. Details we could not confirm were removed or softened, and several numbers, dates and descriptions were corrected.

    • Corrected numbers, dates and descriptions on hundreds of pages, and held back a few pages whose central claim we could not confirm.News
  4. October 20, 2026 (more answers)
    Accuracy

    Source checks on 270 more answers

    We re-checked another 270 short Q&A answers against the official pages they cite, which completes the review of our question library. Unconfirmed claims were softened or removed, and a few numbers and wordings were corrected.

    • The lung cancer and smoking answer now cites CDC for radon and drops statistics we could not confirm.Questions
    • Corrected the PSA screening answer to name BRCA2, as NCI does, and removed age cutoffs we could not confirm.Questions
  5. October 20, 2026 (trial and research news)
    Accuracy

    Source checks on 196 clinical-trial and research stories

    We re-checked 196 of our clinical-trial and research news stories against trial records, published abstracts and NCI and FDA pages. Claims we could not confirm were softened or removed, and several numbers, dates and wordings were corrected.

    • An mRNA melanoma vaccine story now shows the correct randomization and survival figures.News
    • The artificial sweeteners story no longer repeats figures that the journal later corrected.News
    • Two pancreatic cancer stories now say the drug daraxonrasib has been FDA approved.News
  6. October 20, 2026 (health news checks)
    Accuracy

    Source checks on 117 more health news stories

    We re-checked another 117 news stories, mostly awareness months, studies and public-health explainers, against the official pages they cite. Claims we could not confirm were softened or removed, and several numbers and wordings were corrected.

    • The pancreatic cancer awareness story no longer says NCI has no screening information; it now says NCI does not recommend screening at average risk.News
    • Updated younger-adult cancer trend numbers and the pancreatic cancer survival figure to match SEER.News
    • Removed or softened claims in many film and TV cancer stories that we could not confirm.News
  7. October 20, 2026 (policy and history news)
    Accuracy

    Source checks on 74 policy and cancer-history stories

    We re-checked 74 news stories about cancer policy, laws and landmark research against the official pages and papers they cite. Claims we could not confirm were softened or removed, several numbers and dates were corrected, and photos now show each story's subject.

    • Stories on Herceptin, angiogenesis, tumor viruses, BRCA and lung screening now use microscope, lab and scan photos instead of generic clinic scenes.News
    • Corrected the drug-shortage counts, the FDA diversity-guidance status and several history dates.News
  8. October 20, 2026 (public figures)
    Accuracy

    Source checks on 89 stories about public figures with cancer

    We re-checked 89 stories about well-known people who shared a cancer diagnosis. Details about a person's health, treatment or private life that we could not confirm from a source were removed, and several dates, ages and descriptions were corrected.

    • Removed or corrected unconfirmed health details about named people, such as a diagnosis stage, treatment steps or a remission nobody reported.News
    • Corrected titles and descriptions that implied more than the sources say.News
  9. October 20, 2026 (remembrances and pop culture)
    Accuracy

    Source checks on 284 stories about public figures, films and shows

    We re-checked our remembrance pages, our pop-culture stories and our stories about well-known people against the sources they cite. Details about real people that we could not confirm were removed, several dates, ages and plot details were corrected, and a few pages whose storylines we could not confirm were taken off the site until they can be verified.

    • Fixed dates, ages and causes of death on many remembrance pages, and removed health details about named people that no source supports.News
    • Corrected film, TV and book plot details, and titles that said more than the sources show.News
    • Held back pages whose central storyline we could not confirm, instead of leaving them up.News
  10. October 20, 2026 (answers and kids pages)
    Accuracy

    Source checks on 92 more answers and kids pages

    We re-checked 82 short Q&A answers, 10 kids and comfort pages and a few drug-approval stories against the official pages they cite. Unconfirmed claims were softened or removed, and a few numbers and wordings were corrected.

    • The dry, itchy skin answer no longer suggests ice, because NCI cautions against ice on skin that is getting radiation.Questions
    • Corrected a prostate cancer lifetime-risk figure and several drug and trial wordings to match NCI and SEER.Questions
    • Kids and teens pages keep their gentle wording; a few unconfirmed statements were softened.Kids and teens
  11. October 20, 2026 (news checks)
    Accuracy

    Source checks on 130 myth-check and drug-approval stories

    We re-checked our cancer myth-check stories and our FDA drug-approval stories against the official pages they cite. Claims we could not confirm were softened or removed, and several numbers, dates and wordings were corrected.

    • The HEPA air purifier story now says "partly true", matching the study's actual result.News
    • Removed a link in the Cancer Alley story that pointed to the wrong video.News
    • Corrected sunscreen wording to match NCI, and several drug-approval details such as trial results and label wording.News
  12. October 20, 2026
    AccuracySafety

    Source checks on 80 more answers and guides

    We re-checked 72 short Q&A answers, 5 guides and 3 Essentials pages against the official pages they cite. Claims we could not confirm were softened or removed, and a few numbers and wordings were corrected.

    • Corrected the BRCA explanation for men, the testicular cancer survival figure and the count of fertility-preservation options.Questions
    • Added a clear 911 line to the page on advanced cancer care at home.Questions
    • Essentials pages no longer carry numbers we could not confirm from an official source.Essentials

See every update — the full archive

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