1, unreasonable diet. When the body consumes too many calories or lacks nutrition, it will lead to the imbalance of the body. Excessive smoking, excessive drinking, lack of sleep, lack of exercise, depression, psychological disorders, air pollution and long-term exposure to toxic substances can also appear in this state.

2, lack of rest, especially lack of sleep. Irregular life and abnormal work and rest have become a common phenomenon. For teenagers, entertainment activities such as movies, internet, games, dancing, playing cards, mahjong and burning the midnight oil often disrupt the law of life. Adults sometimes have fun (such as playing cards and mahjong), and taking care of patients will affect their rest.

3, excessive tension, excessive pressure. Especially IT white-collar workers, lack of physical exercise, physical exhaustion.

4. Long-term negative emotional impact.

Tips: The above information is for reference only.