Does exercise prevent colon cancer?

No: There has been some link to fat ingestion, but exercise specifically does not act as a preventative measure. Certainly the healthier one is, the more immune competent, the less likely to eat foods with "bad" products such as nitrosamines etc, and this all can play a role in being less likely to develop cancer.

No , but it helps: Regular exercise can't prevent colorectal cancer, but it can help to promote a healthy lifestyle that will help a lot to decrease risk of colorectal cancer as well as breast cancer, heart disease, high blood pressure, diabetes- a lot of diseases. Keep it up!

Reduce cancer risk: Studies have shown the effects of exercise on both primary and secondary prevention of colon cancer.Exercise appears to have a dose-response reduction in the rate of colon cancer.Although still unclear, increase in insulin-like growth factor-binding protein and reduction of prostaglandins appear to be the likely cause, .Exercise will increase qol and reduce cancer specific mortality in cancer pt.