Scientists have uncovered a gut-specific epigenetic aging mechanism that links inflammation and iron imbalance to cancer risk ...

Researchers find that tiny plastic particles increase the absorption of environmental arsenic and pesticides in lettuce and human intestinal cells, raising new safety concerns about plastic pollution.

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 human gastrointestinal tract is in a constant state of flux; it hosts a diverse and dynamic community of microbes known as the gut microbiome, and is constantly exposed to things in the ...

Under the surface of an organ, many different cell types participate in crucial interactions. This means that when an organ suffers damage, fixing it is not as easy as slapping on a Band-Aid.

Research from an international team finds that the human gut is a site of rapid change, with recent and important deviations from other mammals, including our closest living relative, the chimpanzee.

The human small intestine is an essential organ that helps us absorb nutrients and vitamins from food. It is an average of 6 meters long and is covered with millions of villi that are separated by ...