Ключевые слова: ache, aged, annoyed, anxious, attack, bearded, breast, cardiac, cardio, cardiology, cardiovascular, caucasian, chest, chest pain, cramp, disease, elderly, emergency, health, health care, healthcare and medicine, heart, heart attack, heart disease, heart pain, heartache, illness, male, man, medical, medicine, old, outdoors, outside, pain, people, person, problem, retirement, senior, senior adult, senior men, sick, stress, stroke, suffer, troubled, unhealthy, worried,