Blue is far from the usual stool color, but it isn’t usually a cause for concern. Most of the time, blue stool is due to blue pigments or dyes that come out when your food is digested. If you take a ...

Colleen Murphy is a senior editor at Health. She has extensive experience with interviewing healthcare providers, deciphering medical research, and writing and editing health articles in an ...

If you check out the toilet bowl after you go No. 2, well, join the club: People are fascinated by their poop. After all, it constantly varies in size, shape, and color—and that’s one major reason why ...

The Blue Poop Challenge measures gut transit time by tracking how long it takes blue food to pass. People with shorter gut ...