I suppose you have: A strong family history of colon cancer thus your dr is proactively screening you for blood in the stool if positive , it may suggest presence of colon polyps or cancer.Cut down on your intake of fatty foods and eat more fiber , fruits and veggies . There are some studies showing that Aspirin may prevent colon cancer. Discuss with your dr if u have any concerns.
Answered 9/30/2014
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