(2) Smoking and air pollution are the main causes of lung cancer. We should prevent lung cancer by not smoking and reducing air pollution.
(3) According to the occurrence law of some infectious diseases and scientific immunization procedures, children are inoculated with various safe and effective vaccines in a planned way to prevent, control and eliminate some infectious diseases. This planned vaccination is called planned immunization. Planned immunization can effectively prevent some infectious diseases, and the effective measure to prevent infectious diseases is vaccination. From the perspective of healthy living habits, primary and secondary school students should live regularly and eat reasonably.
(4) A healthy lifestyle includes: regular work and rest, balanced nutrition, regular meals a day, active participation in recreational activities and sports, no smoking, no drinking, and refusal to take drugs. To reduce the risk of "rich disease" caused by overnutrition, we can choose healthy lifestyles: regular work and rest, balanced nutrition, regular meals a day, active participation in recreational activities and sports, no smoking, no alcoholism and no smoking.
(5) The traditional concept of health is "health without disease". From material 3, we can see that health refers to a good state of physical, psychological and social adaptation, not just the absence of disease and infirmity.
So the answer is: (1) modern civilization; (2) Do not smoke to reduce air pollution; (3) vaccination; The diet is reasonable.
(4) Regular work and rest, balanced nutrition, regular meals a day, active participation in recreational activities and sports, and no smoking, drinking or taking drugs.
(5) the body; Psychology; Social adaptation.