Ключевые слова: abdomen, ache, adult, alone, belly, body, cancer, caucasian, concept, constipation, diarrhea, food, gastric, gastritis, gastrointestinal, gut, health, healthy, illness, inflammation, male, man, medical, men, pain, painful, people, person, poisoning, problem, red, sick, stomach, stomachache, trouble, unhealthy, white, young,