Grey poop occasionally happens when you take certain medications for long periods. More frequent grey-colored poop could be a sign of an issue with the liver, gallbladder, or bile ducts. 1 ...

She completed advanced fellowships in hepatology/transplant and gastroenterology, with clinical expertise in colorectal cancer screening, liver diseases (including cirrhosis and hepatitis), ...

Black poop can have harmless causes, like eating dark foods or taking medications that make your stool look darker. But it can also be a sign of melena, which means there's blood in your stool.

See how a laboratory in Boston is turning poop from extremely healthy donors into medicine for really sick patients. If you purchase a product or register for an account through a link on our site ...

While poop never smells great, sometimes it's worse than usual. Here, doctors share the top reasons your poop smells bad—and ...