When I got the call that my 65-year-old father was in the hospital, I wasn’t overly concerned. Despite spending years of my childhood plagued with gastrointestinal issues he was generally healthy.

Q: I know that colonoscopies are more thorough than the at-home DNA stool test for colon cancer. But how much better? I have such a terrible time with anesthesia and gas. Both make me nauseated for ...

Colonoscopy is at the heart of gastroenterology. It is a diagnostic and therapeutic tool and it has become the central figure in the crusade against colorectal cancer. Seven gastroenterologists ...