What food alone won’t do is cause the stool to appear tarry, which is a sign of melena, a substance that results from the ...

Common culprits include black licorice, blueberries, beets, and blood sausage. The natural compounds that give these foods their dark color can stain your stool, Dr. Johnson explains. Blueberries ...

It may seem a little, er, TMI—but the truth is that the color of your poop offers quite a bit of insight into your overall gut health, so it’s worth taking a look. And while there can be a ...

An expert MD explains what red poop could mean for you, from harmless causes to signs of something more serious.

Chronic constipation can be painful and may indicate an underlying health problem. Pebble poop, or pellet-like stool, may occur when tough stool breaks apart into smaller pieces. This breakage can ...