Dietary fiber is, in its simplest form, a carbohydrate that comes from plants. Fiber comes in three varieties, each with a different function, so a review of each is in order. Soluble fiber (apples, ...

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, ...

Medically reviewed by Kumkum Sarkar Patel, MD The large intestine absorbs water and nutrients from food waste.Constipation, diarrhea, and hemorrhoids commonly affect the large intestine.Eating more ...

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 ...