(2) Go to bed early and get up early to exercise.
(3) Clean frequently, ventilate more, and keep the room clean.
(4) Don't take medicine indiscriminately. Try to have a physical examination once a year and follow the doctor's advice.
(5) Reasonable diet, even collocation and no overeating. Fruits and vegetables should be cleaned when eaten raw to avoid diseases entering the mouth.
(6) Keep a good mood, and the disease will naturally stay away from you.