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

A colonoscopy is a telescopic and visual examination of the colon and rectum. It helps doctors detect abnormalities in the bowel, including signs of colorectal cancer, polyps, unexplained diarrhea, ...

Colonoscopy procedure A colonoscopy is an important procedure for detecting colorectal cancer in those at high risk or over the age of 50. A colonoscopy usually takes 30–60 minutes. However, people ...

If anyone in your family has had colon cancer, or if you’re nearing the age of 45, you’ve probably already been told about the importance of scheduling a colonoscopy. You may even have grown tired of ...