Colonoscopy vs. Sigmoidoscopy: What’s the Difference? If your doctor wants to check the health of your colon — whether as part of a routine screening or to investigate a concern — they may recommend a ...

Colonoscopy screening exams that are recommended for older U.S. adults failed to reduce the risk of death from colon cancer in a 10-year study that questions the benefits of the common procedure.

The colon is about one and a half meters long and plays a vital role in moving waste through the body. In rare cases, it can ...