Feel like you just can’t keep that nasty stuff in your belly from bubbling up into your throat? What you’re experiencing might not be run-of-the-mill heartburn. It could be a case of gastroesophageal reflux disease—GERD, for short—a condition that causes the acid and food in your stomach to rise into your esophagus, and sometimes even enter your mouth or lungs. GERD is far from rare: In fact, it occurs in 20 percent of the U.S. population, according to the medical journal Gastroenterology. But there are also several factors that make some people an easier target for the disease.
http://www.womenshealthmag.com/health/do-i-have-gerd/slide/1
If You're Suffering From This 5 Symptoms, Your Heartburn Might Actually Be GERD