What are the four cornerstones of health?

The four cornerstones of health are reasonable diet, moderate exercise, smoking cessation and alcohol restriction, and psychological balance. A reasonable diet means that the nutrition should be comprehensive and balanced, and it is appropriate to be full at 8 points per meal. The staple food should be rice and miscellaneous grains, reduce the intake of animal fat and sweets, and eat more fresh vegetables, fruits, bean products and milk. Limit the amount of salt (no more than 6 grams per day). Exercise is important to be persistent and moderate, and the events can vary from person to person. You can do light and moderate exercise every day for about half an hour at a time. Smoking is not only addictive, but also promotes the occurrence of cancers such as hypertension, coronary heart disease and lung cancer, bronchitis and emphysema. Among the four cornerstones of health, psychological balance is the most important. To maintain a psychological balance, we must achieve three pleasures, namely, helping others, being content and enjoying ourselves; Three rectifications are to treat yourself, others and society correctly.