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 ...

The human digestive system functions as a complex biological network, supported by several mechanisms that work in harmony to ensure proper digestion and nutrient absorption. One key element of this ...

A healthy digestive tract is the key to good health. The digestive process is complex and the digestive tract is designed to ...

Stop ignoring the critical nutrient that protein-heavy meal plans leave behind—discover how fiber is reclaiming its spot as ...

New research reveals that a vitamin found in common foods may influence how often people go to the bathroom, according to a ...

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 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.

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

Researchers have found that light modulates digestive system function in sea urchin larvae, even in the absence of food stimuli. Opsin cells, which are involved in light-dependent systems, mediated ...