Gastroesophageal reflux disease, or gerd, is a digestive disorder that affects the lower esophageal sphincter (les), the ring of muscle between the esophagus and stomachmany people, including. Gastroesophageal reflux disease (gerd. What is gastroesophageal reflux disease? gastroesophageal reflux occurs when acid and food in the stomach back up into the esophagus gastroesophageal reflux disease (gerd) is reflux that occurs more than twice a week for a few weeks it usually causes heartburn and other symptoms gerd can cause other health problems over time if it is not.
gastroesophageal reflux disease (gerd
