Gastroesophageal reflux disease (GERD), also known as gastro-oesophageal reflux disease (GORD), gastric reflux disease, or acid reflux disease, is defined as a chronic condition of liquid stomach acid refluxing back up from the stomach into the esophagus, causing heartburn. According to the study of “Updated guidelines for the diagnosis and treatment of gastroesophageal reflux disease.” …