Ключевые слова: abdomen, ache, acid, acidity, antacid, background, belching, blue, burn, care, chest, concept, cure, diet, digestion, digestive, discomfort, disease, disorder, esophageal, esophagus, gastric, gastritis, gastroesophageal, gastroesophageal reflux disease, gerd, health, health care, heart, heartburn, help, medical, orange, pain, problems, reflux, stomach, text, treatment, words,