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 ...

The 52-year-old truck driver in the office of Marvin M. Lipman, Consumer Reports’ chief medical adviser, had rushed in a few minutes earlier. He had passed a large black stool (well known as an ...

Last week, fans of the new Oreo Peeps discovered that eating a lot of the cookies—a vanilla shell with bright-pink filling—left them with an unexpected surprise in the toilet: pink poops. People can’t ...

The 52-year-old truck driver in my office had rushed in a few minutes earlier. He had passed a large black stool (well known as an indicator of internal bleeding) and feared the worst. A test for the ...