China has surpassed the United States as the country with the largest obese population, and the rate of obesity growth continues to increase. Among them, the rate of obesity among teenagers is increasing even faster. Obesity to adolescents and children in the end will cause what harm? 1, poor mobility, clumsy action. Children with excessive weight base have inconvenient activities due to their body size. In school, except for tug-of-war, other sports are not popular with their young friends. 2, accompanied by problems of intelligence. Research proves that male abdominal obesity will have a certain degree of impact on intelligence. And for children and adolescents, the intellectual damage is particularly terrible, because their brain is still in the development period, easy to cause the results of slow thinking. Scientists also through the experiment to determine, more than 30% overweight, intelligence level will drop about 23%. 3, sexual development disorder. Children’s obesity may cause delayed sexual development or premature sexual maturity results. 4, easy to cause the adverse effects of mental aspects. Such as low self-esteem, introversion, shyness. Obese children in school may experience more discrimination and malice from classmates. Psychological problems in the adult fat friends are also very common, not to mention children obese people. 5, cause calcium deficiency. For children, obesity easily lead to calcium deficiency. First of all, about 2 years old is the time to start growing body, and obesity is mainly due to the intake of high-calorie food, in the nutritional aspects of care is not well. Most of the symptoms are: slow growth of teeth, less hair, O-shaped legs, slow learning to walk, not strong bones, easy to lose skin on fingers. The problem of adolescent obesity needs to be taken seriously, and if there are adolescents who are considering weight loss surgery to lose weight, here is a reminder that unless the obesity has become a life-threatening situation, doctors are generally recommending that the surgery be implemented at the age of 16 or older.