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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