Health care is the most important thing, the core of health care is nourishing the heart, which is the cornerstone of health. Health care is to recuperate the body with the help of foreign objects, mainly by eating natural and pollution-free food or taking appropriate exercise. Nourishing one's mind means adjusting one's state of mind. Facing the disappointments in life, one should have an objective and dialectical view and avoid good laughter and bad jumping. Sadness and anger hurt the liver. Do not believe me, you can observe the people around you. Most moody people are short-lived!