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Why Does Coffee Make You Poop?

Learn why many experience coffee related poops. Experts discuss how caffeine affects gut movements and triggers digestion.

There are a few different reasons why coffee makes people feel the urge to poop.Credit: Shutterstock

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You may consume coffee to get your day started, as a pick-me-up, or to get you through a lengthy meeting. You may also drink it to, perhaps, get things moving along on schedule.

About 29 percent of people claim they felt the urge to poop after drinking coffee, according to a commonly cited study from 1990. But why? Discover reached out to a gastroenterology expert to see if we could get to the bottom of it.

Gastroenterology is the study of the digestive system, which starts at your mouth and ends at your butt. You might see a gastroenterologist for digestive diseases such as irritable bowel syndrome, heartburn and constipation. Basically, Jonathan Rosenberg, gastroenterologist and American Gastroenterological Association expert, knows a thing or two about how we poop.

Coffee has caffeine in it, which is a stimulant. Caffeine speeds up the squeezing motion of your gut and increases the propulsion ...

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