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 ...

Indian astronaut Captain Shubhanshu Shukla, who is currently on board Axiom Mission 4 (Ax-4) at the International Space Station (ISS), shared insights on how human digestion works in space through an ...

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.

The human body is a complex organism, made up of trillions of cells. But not all of them are human — about half of them are fungi, microbes and bacteria. Scientists are starting to understand how and ...

When it comes to gut health, one of the most important, and also overlooked, is gut transit time. This factor determines how long food takes to travel through the digestive tract. Although there are ...