A digestive disorder known as gastroesophageal reflux disease, or GERD, is characterized by the damage of the lower esophageal sphincter-LES and consequent backflow of acid from the stomach to the food pipe. It is commonly referred to as acid reflux. The LES is a muscular ring between your esophagus and stomach. It relaxes to let ... Read more about Is Dried Fish Good for GERD? (Answered)