The human digestive system refers to the organs that take in food and break them down. Digestion describes the complex process that enables the nutrients in food to enter the body and its cells. Food ...

Here’s what happens to foods and beverages as they make their way through your gastrointestinal tract — and the problems that can develop along the way. You know what food looks like when it enters ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What did you have for breakfast today and where is that food now? Well, depending on how long ago you ...