Ключевые слова: ache, adult, back, backache, background, backpain, bad, body, care, caucasian, cold, cramp, discomfort, disease, gray, grey, hand, health, healthcare, hurt, ill, illness, injury, kidney, lower, male, man, medical, medicine, muscle, pain, painful, patient, physical, posture, problem, rear, recovery, sick, sickness, spinal, spine, stress, sudden, suffer, suffering, symptom, unhealthy, view, young,