If heartburn takes you you by throat, sip liquids

According to the British medical journal The Lancet, heartburn is a common ailment. In fact, 25 percent of Americans report experiencing heartburn at least once a month, 12 percent at least once a week and 5 percent daily. What is heartburn? And what about gastroesophageal reflux disease (GERD)? Here's a guide to provide a bit more understanding of that burning sensation in your chest.
• Why is it called heartburn? ''Heartburn is often sensed as a burning feeling behind the middle of the lower to middle of the chest, giving the sense that it may be coming from the heart,'' said Dr. Philip Jaffe, an associate professor of medicine at Yale University School of Medicine.
• What is happening, biologically speaking? According to Dr. David Peura, a professor of medicine at the University of Virginia Health System: ``Acid that's normally produced by the stomach is washing back up into the esophagus [the swallowing tube that carries food from the mouth to the stomach] and irritating [burning] its lining.