Folks are considered constipated if they have three or fewer bowel movements a week. Doctors often refer these individuals to get a colonoscopy screening. But is that the right move?

The medication Gilenya ( fingolimod ) has been used to treat multiple sclerosis since 2008. Very preliminary studies suggest that it may have a future as an anti-cancer medication.

Trillions of bacteria - that's right trillions with a "t" - are found inside the lining of the colon. When inflammation enters the picture, that's when trouble can start. The bacteria and inflammation can team up and become a deadly duo.

Inflammatory bowel diseases ( IBD ) such as ulcerative colitis and Crohn's disease are major risk factors for colorectal cancer. Why? Because these diseases cause constant inflammation - something cancer thrives on.