The curious minds at What If explain the four vital functions of your stomach acid, from digestion to pathogen defense.

Researchers at UCL and Great Ormond Street Hospital (GOSH) have developed the first-ever lab-grown mini-stomach that contains ...

There are four types of stomach ulcers. Each type occurs on a different part of the stomach lining. These are different from duodenal ulcers, although they develop nearby and have similar causes and ...

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, ...