When bloat and indigestion hit, it’s logical to conclude you have too much stomach acid and to grab an antacid for relief. But experts warn that often the same symptoms that seem to signal too much ...

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 ...

Most people blame heartburn, bloating, or indigestion on too much acid. But for a surprising number of adults, the problem is the opposite. Low stomach acid, or hypochlorhydria, is one of the most ...

A. Gastroesophageal reflux disease results from an abnormality of esophageal and lower esophageal sphincter (LES) motility. Under normal circumstances, the LES is tonically contracted, preventing ...

In the stomach, so-called parietal cells are responsible for acid production. They react not only to the body's own messenger molecules, but also to bitter-tasting food constituents such as caffeine.