General HealthHealth Videos Acid Reflux & GERD by HealthVideoTips October 20, 2020 by HealthVideoTips October 20, 2020 Backward upward movement of stomach acid into esophagus is called Acid Reflux. When severe it can cause GERD (Gastro esophageal reflux Disease). It is an important cause for heartburn. 0 FacebookTwitterPinterestEmail