Ключевые слова: ache, acid, acidic burp, acidity, african american, background, black, black and white, body, bourn, breathing, care, chest, cropped, discomfort, disease, empty space, eructation, food, free space, gastric, gastritis, gastroesophageal, gerd, health, health care, heart, heartburn, illnesses, indigestion, male, man, medical, monochrome, pain, people, reflux, rupture, sick, sore, sour belch, stress, suffer, symptom, symptomatic, unhealthy, unrecognizable, unwell, vomit,