Nervous about getting a colonoscopy? A gastroenterologist answers six common questions about prep, the procedure, and what to expect.

A colonoscopy can help your doctor find precancerous polyps, early colorectal cancer, or other health conditions that may be affecting your colon or rectum. Early diagnosis and treatment may improve ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re at the age where colorectal screening is recommended to prevent colon cancer (between 45 and 75), you might see the new, ...