There is a bewildering array of medications available to treat heartburn, acid reflux and GERD. How do these conditions differ from each other, and what are the best ways to treat them? Learn about medications, diet and lifestyle issues. Guest:Mark Pochapin, MD, Director of the Jay Monahan Center for Gastrointestinal Health at New York-Presbyterian Hospital/Weill Cornell Medical Center in New York City. He is author of: What Your Doctor May Not Tell You about Colorectal Cancer.