Black poop can be harmless, caused by certain foods or medications, or it can be a sign of melena, meaning there’s blood in your stool. Melena happens when bleeding occurs in the upper digestive tract ...

There isn’t a one-size-fits-all answer for how often you should poop, but when it comes to what color your stool should be, expert consensus is much narrower. And deviations from it can be a cause for ...

(CNN) — There isn’t a one-size-fits-all answer for how often you should poop, but when it comes to what color your stool should be, expert consensus is much narrower. And deviations from it can be a ...

Melena appears as black, sticky, foul smelling stool and often signals upper GI bleeding Study shows most pediatric melena cases stem from upper gut ulcers, mainly duodenal Even 50–100 mL of blood in ...