Ключевые слова: 6569 years, 7079 years, adult, adults only, aging process, cardiologist, cardiovascular system, chest torso, chest pain, condition, coronary artery, cramp, emergency sign, emotional stress, healthcare and medicine, heart internal organ, heart attack, heart disease, heartburn, human digestive system, human hand, human heart, human internal organ, illness, infarction, lifestyles, males, mature adult, medical condition, medicine, men, one person, one senior man only, only men, outdoors, pain, people, physical pressure, problems, retirement, senior adult, senior men, symptom, touching, uncomfortable, unhealthy living, walking, weakness, white people,