Medically reviewed by Robert Burakoff, MD Melanosis coli is a condition in which the lining of the colon (the longest part of ...

Prep for colonoscopy usually involves a laxative beverage to clean you out before providers examine the bowels. Here’s what ...

An upper GI endoscopy happens through the throat, while a lower GI colonoscopy involves entry through the anus. Find more ...

Let’s start with the cheapest, the yearly FIT, or fecal immunochemical test, which looks for fecal blood that might be caused ...