Researchers developed a model showing gut bacteria can significantly affect how many calories the body absorbs from food.

When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...

A new study suggests gut bacteria play a key role in how many calories people absorb, offering fresh insights into metabolism and nutrition.

MIT scientists have identified cysteine — an amino acid found in foods like meat, dairy, beans, and nuts — as a potent ...

Villi are tiny projections in the small intestine that help absorb nutrients and aid digestion. Damage to your villi can lead ...

Ever wondered how long it takes for your body to digest a slice of pizza or a kale salad? Digestion might not be something we think about often, but it’s a vital process that keeps us going, ...

Much of the food you eat is absorbed by your digestive system, which includes your stomach and your intestines. But some of what you eat makes it all the way through those twists and turns and comes ...