Ever get a gut feeling about someone, or I anxious butterflies in your stomach? That's because you have a second brain in your bowel, according to Michael Gershon, M.D., author of The Second Brain ...

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 ...

A shy, proud, slight (105 lb.) man, known professionally as Tom, is the owner of one of the strangest stomachs in existence. This stomach was the subject last week of a book (Human Gastric Function; ...

A human being can live—after a fashion —minus his stomach, his pancreas and half his liver. How much can he lose and still survive? A noted cancer surgeon last week offered some startling new data on ...

The esophagus is a tubular, elongated organ that plays an important role in transporting food and liquids to the stomach. Several conditions can negatively affect the esophagus, including acid reflux, ...

The curious minds at What If explain the four vital functions of your stomach acid, from digestion to pathogen defense. Mary Trump reveals the one thing Donald Trump has always feared Private autopsy ...

Known as a multi-regional assembloid, the pea-sized mini-stomach is the first to contain the fundic region (the upper portion of the stomach), the body (the central region where food is mixed with ...