What actually causes cancer?
1 min · Captioned
Cancer starts with gene changes that build up over years — here's the mechanism.
Watch: What actually causes cancer?
Educational only — this video explains general report language and is not medical advice. Only your care team can say what a result means for you.
Read the full guide
This video is a short summary. For the complete, source-linked explanation, read the written guide it comes from.
Read the full guide