This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

Using new technology, researchers at UC Davis and Stanford University are able to study microbes and metabolism in different parts of the human digestive system for the first time. (Getty Images) Most ...

When the digestive system fails to absorb fructose, the lingering sugar disrupts the gut microbiome. A recent study reveals this bacterial shift sparks low-grade, body-wide inflammation that can alter ...

The hazards associated with microplastic pollution are becoming increasingly recognized. However, one study suggests that researchers have misjudged the impacts of nanoplastics — the insidiously ...

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, ...

Did you know you have a second brain? Your digestive system is lined with brain cells. This “Second Brain” directs more than digestion. Scientists think it helps control your mood and maybe some of ...

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 ...

The human gut figures prominently in some of the English language’s most cliched expressions. We’re often told to “trust our gut” when it comes time to make a tricky decision. Movies or television ...

image: New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications ...