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 can ...

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 ...

Scientists can have an inside look at the digestive system by studying very special cows. Follow a University of Idaho scientist as he explains how cows digest their food by opening a unique portal ...