Health is usually defined as:
In order to be disease-free in a given life cycle, the traditional concept of health is "health without disease", while from the perspective of health economics, the modern concept of health is overall health.
Overall health involves physiological, psychological and moral factors, and many social and environmental factors will have an important impact on people's health, and health itself is the representative of personal wealth or social wealth and one of the decisive factors of life happiness index.
For the classic explanation of overall health, the definition of health in the Magna Carta of World Health of the United Nations World Health Organization (WHO) 1974 is that health is not only the absence of diseases in the body, but a complete physical, psychological state and social adaptability.
The World Health Organization puts forward that "health is not only the absence of physical diseases, but also mental health, good social adaptation and morality". Therefore, the health of modern people includes physical health, mental health, mental health, social health, intellectual health, moral health, environmental health and so on.
A measure of a person's health:
Optimistic, positive attitude, willing to undertake tasks, not picky; Be good at rest and sleep well; Strong adaptability, able to adapt to various environmental changes; Have certain resistance to common cold and infectious diseases; Proper weight, uniform posture, and coordinated proportions of all parts of the body; Bright eyes, sharp reaction, no inflammation of eyelids; White teeth, no defect, no pain, normal gums, no tooth decay;
Hair is smooth and dandruff-free; The skin is shiny, elastic, easy to walk and energetic; Good toe mobility, good arch elasticity, good muscle balance, no pain and deformity of feet. In short, a healthy person must have a strong body and an optimistic mental state, and can maintain a harmonious relationship with the social and natural environment in which he lives and a good psychological quality.