Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

Digestive enzymes are proteins in the body that help break food down. Some people with certain medical conditions might be unable to produce sufficient enzymes and require supplements. Digestive ...