Acid Reflux / Heartburn - Symptoms, Prevention and Treatment
Symptoms
Almost everyone has occasional heartburn. But if these symptoms occur two or more days a week for at least three months, you may have acid reflux. Acid reflux occurs when the lower esophageal sphincter ? the valve separating the esophagus and stomach ? does not close properly, allowing acid to back up into the esophagus.
Heartburn [...]
