Ключевые слова: 40s, ache, adult, angina, anxiety, anxious, arrhythmia, burnout, business, businessman, cardiac, cardiology, cardiovascular, caucasian, chest pain, cramp, employee, entrepreneur, exhausted, health, heart, heart attack, heartburn, infarct, job, low key, male, man, manager, medial condition, one person, overwork, overworked, pain, pressure, real people, stress, stroke, suffering, suit, symptom, tie, tired, unhealthy, unwell, work,