Health is not only the absence of disease and illness (weakness), but also a state of complete physical, mental (psychological) and social well-being of individuals. A healthy person should not only have a healthy body, but also have a healthy attitude and behavior. A person's physical, mental and social adaptability are in a good state, which is the real health. The core idea of modern health concept is "everyone is healthy, and health is for everyone". This view of health is a holistic view of "organism-psychology-society-nature-ecology-health" and a harmonious development view of society.
Health is the basic right of people and the first wealth of life. The traditional concept of health is "disease-free health", while the modern concept of health is overall health. 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.
The meaning of modern health is diverse and extensive, including physical, psychological and social adaptability, among which social adaptability ultimately depends on physical and psychological qualities. Mental health is the spiritual pillar of physical health, and physical health is the material basis of mental health. A good emotional state can make the physiological function in the best state, otherwise it will reduce or destroy some functions and cause diseases. Changes in physical condition may bring corresponding psychological problems. Physical defects and diseases, especially chronic diseases, often lead people to worry, anxiety, anxiety, depression and other negative emotions, leading to various abnormal psychological States. As the unity of body and mind, body and mind are interdependent.