Acid Reflux symptoms are caused by a malfunction of the lower esophageal sphincter (LES) muscle. When working properly, the LES closes and opens the lower end of the esophagus allowing food to come into the stomach. When the LES cannot close completely after food empties into the stomach, stomach acid comes up through the esophagus causing a painful burning sensation as well as damage to the esophagus.
The newest buzz is that researchers have found that it is possible that GERD is due to an immune response more so than the acid itself. Two researchers, Spechler and Souza, found that the acid causes the cells in the esophagus to release chemicals which attract cells that cause inflammation to the esophagus and that these cells then cause the…