2. Myopia: With the development of science and technology, electronic products are becoming more and more popular. Children use electronic products for a long time, such as mobile phones, computers and tablets. It is easy to cause vision loss and myopia problems.
3. Psychological pressure: The competition in modern society is fierce, and parents have high expectations for their children, which makes children face great psychological pressure and may lead to psychological problems.
4. Lack of exercise: Due to the pressure of study and the temptation of electronic products, children lack enough outdoor activities and exercise, which easily leads to the decline of physical fitness.
5. Food safety: In recent years, food safety problems have occurred frequently, and additives and preservatives in children's food pose a potential threat to children's health.
6. Environmental pollution: air pollution, water pollution and other problems seriously affect children's living environment, which may lead to children's growth and development constraints, decreased immunity and other issues.
7. Lack of sex education: The lack of sex education may lead to teenagers' confusion and confusion about sex, and may even lead to some bad behaviors.
8. Mental health problems: The competitive pressure in modern society is great, and the psychological pressure faced by children is also increasing, which may lead to mental health problems.
9. Internet addiction: Over-reliance on the Internet may lead to children's Internet addiction and affect their normal life and study.
10. Insufficient sleep: The study task is heavy, and some children have the problem of insufficient sleep. Long-term sleep deprivation may affect children's health and academic performance.