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 ...

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, ...