(2) A good lifestyle is very important for health. A healthy lifestyle mainly includes: good nutrition and a good diet; Insist on physical exercise; Work and rest on time, etc.
(3) The main links of infectious diseases include the source of infection, transmission route and susceptible population, and all three links must be available at the same time. Therefore, the preventive measures of infectious diseases include controlling the source of infection, cutting off the route of transmission and protecting the susceptible population. As long as any of these measures are taken, infectious diseases can be effectively prevented.
So the answer is: (1) health refers to a good state of physical, psychological and social adaptation.
(2) Good nutrition and diet; Insist on physical exercise; Work and rest on time
(3) Control the source of infection, cut off the route of transmission and protect the susceptible population.