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 ...

A high-fat diet can cause the intestinal lining to weaken, allowing live gut bacteria to travel directly to the brain in mice ...

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

Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

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, ...

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 ...

Scientists in the United States have made an important discovery about how certain bacteria living in the human gut may contribute to colon cancer. Their findings help explain how a toxin made by ...

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 ...