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

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

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 ...

Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

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, ...