Stomach Acid Reflux is a condition in which the lower esophageal sphincter ( LES ) (the muscular ring at the lower end of the esophagus) is abnormally relaxed and allowing the stomach corrosive contents to back up or 'reflux' into the esopha
Stomach Acid Reflux is a condition in which the lower esophageal sphincter ( LES ) (the muscular ring at the lower end of the esophagus) is abnormally relaxed and allowing the stomach corrosive contents to back up or 'reflux' into the esopha