Digestive

When it comes to exercise, "feeling the burn" is a good thing. When it comes to your esophagus, not so much. Acid reflux, also known as gastroesophageal reflux disease, is a common condition that causes acid to splash from the stomach into the esophagus. The result: telltale symptoms of chest pain, shortness of breath, sour burps, and a burning sensation in the chest and throat. If you experience GERD, you're in good company—it's estimated that 20% of the U.S. population lives with this…