Harvard Men's Health Watch

If you want to avoid colonoscopy, you still have effective options

Colonoscopy is the most effective way to prevent colon cancer, but it is more inconvenient and carries more risks than other options. A person must take strong laxatives before colonoscopy to clear out the colon. There is a small risk of tearing the colon wall during the procedure. Colonoscopy usually includes light sedation. The next best option after colonoscopy is stool testing. It is not as invasive as colonoscopy but must be done more frequently and is less effective at catching precancerous growths before they develop into cancer.
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