Your gastrointestinal (G.I.) system, the key player in your overall digestive health, is one of the most important systems in your body. It consists of the mouth, esophagus, stomach, small intestine, ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

What goes on inside your digestive system? Your body needs food to stay healthy, but how does it turn food into the nutrients you need? Dive inside the Digestive System and find out.

Vegetables, fruits, beans, seeds and nuts are all fiber-rich foods. tbralnina/iStock via Getty Images Plus If you’re over the age of 10, the World Health Organization recommends that you consume at ...

If you’re over the age of 10, the World Health Organization recommends that you consume at least 25 grams of fiber every day. The best fiber-containing foods come from plants: fruits, vegetables, nuts ...