Ключевые слова: ache, adult, background, blood, care, caucasian, chronic, dark, diagnosis, discomfort, disease, emotional, evening, female, head, headache, health, home, hurt, hypertension, hypotension, illness, indoors, late, medical, medicine, mental, migraine, nervous, night, overwork, overworking, pain, people, person, physical, portrait, pressure, problem, sick, sickness, sitting, stress, suffering, symptom, terrible, unhappy, unhealthy, upset, woman,