Scientists can have an inside look at the digestive system by studying very special cows. Follow a University of Idaho scientist as he explains how cows digest their food by opening a unique portal ...

Researchers have discovered microplastics and nanoplastics in the human brain, reproductive organs, and other vital systems.

You may understand the respiratory and digestive systems as separate entities but, in many ways, the two are intimately connected. For example, breathing provides oxygen to help your digestive tract ...

These three videos can be used together to demonstrate how germs and viruses are spread, and the importance of hygiene and hand washing.

It’s large and it’s complicated, but a horse’s digestive system, much like a person’s, works like a dream when it’s maintained in a healthy state. Horses are hind gut fermenters, which means their ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

Sign up for CNN’s Eat, But Better: Mediterranean Style. Our eight-part guide shows you a delicious expert-backed eating lifestyle that will boost your health for ...