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, ...

At-home microbiome tests have become one of the fastest-growing trends in the wellness world. Promising personalized insights ...

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 ...

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 ...

The digestive system does far more than simply process food. This complex network serves as the foundation for overall health, influencing everything from immune function and brain health to energy ...