Ключевые слова: ache, acids, appendicitis, bowel, chronic, colitis, colon, constipation, diarrhea, diarrhoea, digestive, disease, diverticulitis, dyspepsia, flatulence, gallstones, health, human, inflammation, internal, intestine, irritable, organs, pain, patient, people, polyp, polyps, problem, reflux, stages, stomach, syndrome, system, transverse, ulcer,