If someone had mentioned a colonoscopy to Bernard Asirifi six months ago, he most likely would have wrinkled his nose in disgust and said, “Oh no, I don’t want that.” Now, though, the Ohio man himself ...

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, ...