An introduction to the amazing functions of the human body's digestive system.

Digestion and breathing may seem unrelated, but they are intimately connected. Here's how they work together to support health.

The brown color of poop comes from the bile that is added by the liver to your bowl of cereal as it makes its way through the small intestine. The bile is changed by bacteria from green to brown.

It takes about 24 hours for food to make its way through your digestive system. Your body needs food for energy, vitamins and minerals. But food needs to be broken down into a substance your body ...

From skipping meals to consuming too much caffeine and alcohol, here are a few habits that can affect the digestive system.