The Centers for Disease Control and Prevention (CDC) discusses childhood obesity. Along with the CDC, this research is very useful in helping others understand what overweight and obesity is. Having excess weight for a particular size due to fat, bone, muscle, water, or a combination of all of these constitutes excess weight. Obesity is simply excess body fat. He talks about obesity which has affected children and adolescents for 30 years. The first stage of this phenomenon begins with a person becoming overweight which will lead to obesity. More than a third of children and adolescents were overweight or obese. The result for both terms is a caloric imbalance, that is, too few calories consumed and affected by many genetic, behavioral and environmental factors. From this source, the CDC gives a specific estimate of the percentage of children ages 6 to 11 who are more obese. In the United States, in 1980, the percentage of obese adolescents increased from 7% to almost 18% in 2012. Additionally, during the same period, the percentage of adolescents aged 12 to 19 obese increased. increased from 5% to almost 21%. Additionally, there is a list of health effects of childhood obesity and immediate and long-term health effects. Tips are also included here to prevent any other obesity-related health problems. It does not clearly teach all the steps of prevention, but gives ideas on how to solve the problem yourself. The CDC talks about the immediate health effects on children and adolescents. Because those who are obese are at risk of bone and joint problems, inability to breathe, social interactions and low self-esteem. Approximately 70% of obese youth aged 5 to 17 are at high risk of developing cardiovascular disease. Cardiovascular diseases are high blood pressure and high cholesterol. Obese adolescents are more likely to have a condition called pre-diabetes, which is a development of high blood sugar that develops into diabetes. The long-term health effects on obese children and adolescents are more likely to cause health problems in adults. Adult health problems are much worse conditions linked to heart disease, type 2 diabetes and several types of cancer, arthritis and stroke. Those who struggle with overweight or obesity combine the risk of cancer with internal organs like breast, colon, esophagus, kidneys, pancreas and many others..