January 25, 2011 4:06 pm Is it Heartburn? That burning feeling could be something more serious than heartburn. Dr. Philip Katz, chairman of Gastroenterology at Einstein breaks down the need to know facts about GERD, better known as Gastroesophageal Reflux Disease. US & World Videos 2:10 ‘You're speechless and can't believe what you saw.' Mom sees video of attack on her autistic son on SEPTA train 0:39 1 dead, 3 injured in Eastwick after two separate shootings, police say 0:22 Rescue crews call off search for missing kayaker in Schuylkill River 2:06 NJ first responders deploy tracking equipment that can pinpoint threats from recreational remote pilots 0:45 Philly police are making efforts to get ATVs and dirt bikes off the roads before the summer