Medical groups differ on when to start colon and rectal cancer screening. Here’s why

Conflicting recommendations on when and how average-risk adults should get screened for colon and rectal cancer could leave you confused — but new guidance aims to make sense of it all.

The American Cancer Society recommends to start regular screening at age 45, while other recommendations have stuck with recommending to start at age 50. The Canadian Task Force on Preventive Health Care recommends not using colonoscopy as a primary screening test, while other recommendations do.
A new guidance statement from the American College of Physicians or ACP, published in the journal Annals of Internal Medicine on Monday, examines that discord and offers new insight into what to follow based on the latest evidence.


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