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.

To stay healthy, it is very important for the digestive system to be strong and healthy. If your digestion is right, then you are protected from many diseases. Due to poor stomach health, many ...

Digestive system malignancies (DSMTs)-including esophageal, gastric, colorectal, liver, and pancreatic cancers-represent a major public health challenge in China.

The tough little egg made it all the way through the digestive system of a coscoroba swan like this one. TonyBaggett / iStock Killifish eggs are known for their resilience: They’ve been found ...