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, ...

The intestines work by absorbing nutrients and vitamins. They are part of the gastrointestinal (GI) tract. Together, the small and large intestines run from the end of the stomach to the anus. In this ...

The gut microbiome is an important ecosystem of microbes that lives in each one of us, and its strength affects our overall health. However, the small intestine is an underappreciated part of the gut ...