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 ...

Your body’s biliary system encompasses your bile ducts, gallbladder, and the associated digestive structures. This system works together to move bile, also called digestive fluid, through your system ...

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, ...

Gastrointestinal diseases can cause symptoms like heartburn, constipation, diarrhea, and abdominal pain. Functional GI ...

Your liver is essential to your good health. The liver is an important part of the digestive system. It performs more than 300 different function in the human body. Learn more about the liver.

If your digestive system’s been a bit sluggish, scientists have found some new solutions — including a fruit you might ...

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