A member asked:

Does colonoscopy prevent colon cancer?

5 doctors weighed in across 2 answers

Colon cancer: Colonoscopy prevents colon cancer hence it is recommended as screening test at age 50 for people with average risk and age 40 if there is family history.

Answered 11/20/2019

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Likely: Cancers start as polyps. Removing polyps decreases cancer risk, but no test guarantees finding every polyp.

Answered 10/22/2020

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