Ключевые слова: activity, adult, angina, area, asian, asthma, athlete, attack, beauty, breast, breathing, chest, chinese, disease, exercise, exhausted, fatigue, fitness, front, having, health, healthcare, healthy, heart, illness, injury, isolated, lifestyle, male, medical, medicine, men, outdoor, overtraining, pain, patient, pectoris, person, physical, pressure, runner, running, sport, stress, stroke, suffer, tired, training, workout, young,