Ключевые слова: abdominal, ache, aching, adult, background, bacteria, bad, bed, belly, cancer, contaminated, discomfort, disease, disorder, distressed, elderly, food, gastritis, health, home, hurt, ill, illness, indigestion, indoors, male, man, medicine, millennial, nausea, old, pain, painful, person, poisoning, problem, retirement, senior, sick, sitting, sore, stomach, stomachache, suffering, tired, trouble, ulcer, unhappy, unhealthy, unwell,