93-Year-Old Psychiatrist’s Secret: Subway Rides and Daily Workouts
Dr. Lee Si-hyeong, a 93-year-old psychiatrist who continues to practice in his field, has shared the key to his long and active career. During an appearance on the January 1st broadcast of KBS 2TV’s Problem Child in House, Dr. Lee revealed that he frequently uses the subway. He explained, “I voluntarily returned my driver’s license…