To maintain a healthy body, it is recommended to sleep for 6 to 8 hours a day. Adequate rest can help improve immunity. In terms of diet, it is recommended to eat as much healthy natural foods as possible, avoid processed, fried, high-sugar and salty foods, eat more fresh vegetables, appropriate amounts of fruits and nuts, and take in enough vitamins and minerals to help the body resist oxidation. Maintain normal functions of cells and organs.