GERD is a shortened name for Gastroesophageal Reflux Disease, also known as acid reflux or heartburn. It occurs when the acid of the stomach refluxes (moves into) the esophagus. This causes damage and irritation to the esophageal lining. In people who are generally healthy, the lower part of the esophagus does not open to allow stomach acid into the esophagus. However, in … [Read more...]