The digestive system's smooth muscle tone is maintained by a molecular pathway, a study has found. Researchers from the University of Massachusetts (UMass) Medical School have found a new molecular ...

Genetic differences in the immune system shape the collections of bacteria that colonize the digestive system, according to new research by scientists at the University of Chicago. In carefully ...

Digestive enzymes are found in the digestive system, including the mouth, stomach, and small intestine. They help you break down food and absorb nutrients. Sometimes, the body cannot make enough ...