Digestive substances with sour taste flow back from the stomach to the pharynx or oral cavity, which is really not pleasant… Many people regard [acid regurgitation] as a physiological phenomenon. In fact, they may have suffered from a very common disease-gastroesophageal reflux disease. This disease is not uncommon. According to the statistics of questionnaires in Beijing and Shanghai, one in about 20 people suffers from this disease. Is this what? Gastroesophageal reflux disease, as its name implies, is a disease in which half of the food digested in the stomach will flow back to the esophagus and even the oral cavity. The most common symptoms of the disease are heartburn and acid regurgitation. Heartburn: refers to the burning sensation behind Read More …