This comprehensive review synthesizes a decade of human and animal research to explain how the gut and brain communicate ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

An enzyme is a type of protein found within a cell. Enzymes create chemical reactions in the body, and can actually speed up the rate of a chemical reaction to help support life. Enzymes are produced ...

The vagus nerve is one of 12 pairs of cranial nerves in the body. It’s involved in various bodily functions, including digestion, heart rate, and breathing. There are 12 cranial nerves in the body.