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 ...

After years of work, cognition and neuroscience doctoral student Hailey Welch is—for the first time—the lead author of a ...

Digestive enzymes are proteins in the body that help break food down. Some people with certain medical conditions might be unable to produce sufficient enzymes and require supplements. Digestive ...

Your personal food-processing plant is like a symphony orchestra: When all the parts perform well, the result is beautiful music that simply flows. Should one or two musicians space out or be unable ...

Researchers at the University of California San Diego have discovered that the gut's rhythmic muscle movements could help explain how blood vessels in the brain expand and contract together.

Most people experience periods of bloating, which involves a tight, full feeling in the stomach that's often combined with gas. Although it's very common and generally not serious, the condition can ...

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.

Irritable bowel syndrome (IBS) is a condition that affects the digestive system. IBS causes a group of symptoms that can be quite uncomfortable and adversely affect quality of life. Unlike other ...