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Digestive System

The digestive system is in charge of absorbing and transporting nutrients your body needs in order to thrive -- and it gets rid of all the waste the body doesn't need. Discover how saliva breaks down the food you eat and more.

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How the Digestive System Works

What happens to your lunch after you eat it? As you read this, your digestive system is hard at work, taking it on a wild ride through your body.


Why Chugging a Gallon of Milk Is Nearly Impossible

Plenty of theories exist for why drinking an entire gallon of milk in one sitting is a challenge often undertaken, infrequently accomplished. Who's right?

Ridiculous History: Toxic German Sausages Are Responsible for Botox

From killer sausages to canceling crows' feet, botulinum toxin has come a long way. Botoxwurst, anyone?

Why Do Opioids Cause Constipation?

Opioids can make your insides skid to a slow crawl. That's a problem when you consider nearly 250 million opioid prescriptions were written in 2013 by CDC estimates.

It's an Electrical Cheese Sandwich for Your Gut

You always wanted to eat electricity right? Now you can, and it might even provide a health benefit.

Cow Burps, Not Farts, Are the Real Problem

Scientists discover that using a feed additive can decrease cow burps by 30 percent, vastly reducing greenhouse gas.

When you smell poop are you actually inhaling poop molecules?

Smelling fecal matter is gross enough, so the possibility that tiny bits of poop are actually getting into your nose is outright disgusting.

Why is baby poop so smelly?

Tiny little babies are so sweet and cuddly. That is until you have to change their poopy diaper. What in the world is it that makes their poop so foul?

How fast does a fart travel?

We all pass gas, but not all of us like to talk about it — or study it to figure out how quickly it travels out of the body.

What happens when you hold in a fart?

We're taught that it's impolite to pass gas in front of others, but could holding it in cause you health problems?

Why do farts stink?

Everybody poops, and everybody passes gas. And guess what? Neither smell good. We'll explain why.