According to a new study, slowing the aging of your intestines may be vital to slowing overall aging. An experiment on zebrafish showed that if the aging of just that one organ was slowed through DNA ...

When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...

After every meal, the intestines perform an action called peristalsis—moving food through their hollow interiors with coordinated contractions and relaxations of the smooth muscle. For more than a ...

Everyone has bacteria in their gut. They play a key part in digestion. But these bacteria live mostly in your large intestine, or colon, not your small intestine. When too many of the wrong kind of ...

There are many people who experience constipation after they quit smoking. Expert says it takes a while for bowel movements ...

Scientists produced 3-D looks at shark’s guts. By Veronique Greenwood The inside of a shark is full of curiosities, starting with rows of hardworking teeth that can be replaced by fresh ones ...

Pulsing movements in an embryo are crucial to helping intestines grow into the wonder tube that it is, a study finds. By Veronique Greenwood In the grayscale of a laboratory video, the little tubes ...