If you experience heartburn, you know the feeling well: a slight hiccup, followed by a burning sensation in your chest and throat. It may be triggered by the foods you eat, particularly spicy, fatty, or acidic foods. Or perhaps you have gastroesophageal reflux disease (GERD), a chronic condition with many potential causes. GERD is a chronic condition that involves a backflow of stomach contents into the esophagus. This can happen when the sphincter muscle that separates the esophagus from the stomach does not function properly, or when... read full review »