Sometimes, people have poop that's so dark it looks black. It might also have a sticky consistency, like that of tar. If your poop is black, it might be due to a change in your diet, a new ...

Yours should be a 3 or 4, like a long soft log that’s got the texture of ice cream. It should smell bad — but not that bad. Poop smells because of the toxins and bacteria it’s helping remove ...

A test for fecal occult blood looks for blood in your poop, or feces. It can be a sign of a problem in your digestive system, such as a growth, or polyp, or cancer in the colon or rectum.