Explaining Acid Reflux and Gastroesophageal Reflux Disease (GERD)
Heartburn and acid reflux can be debilitatingly uncomfortable. And while most of us can beat back a bout of it with some antacids, the National Institute of Diabetes and Digestive and Kidney Diseases reports that roughly 20 percent of the American population suffers from gastroesophageal reflux disease (GERD), which causes chronic acid reflux and heartburn.