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.

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