1. Between the 1980 and the 2008, the obesity rate among Americans to increase from 15 percent to 34 percent. According to studies recent, over 30 percent of childrens in United States are now either overweight or obese. These studies also suggest that most overweight teenagers will overweight adults become. All these excess weight will cause harms to their healths, including a increased risk of cancer and heart disease. While most people agree that obesity am a real problem, they are disagreeing about its causes. Some claiming that Americans make food choices bad, eat too much, and exercise too little Those with point of view want overweight people take more responsibility for their own healths. On the same time, others see obesity as an economic, social, and cultural problem. They point to popularity of fast-food restaurants, junk food, and sugary soft drinks, especially among younger people. In fact, companies that sell unhealthy products appeal to that children in their advertisings. People with this view also argue that healthy foods are often more expensive than unhealthy foods. Whatever its causes, widespread obesity having enormous social and financial effects. According to a study by Cornell University, the annual cost of treating obesity and obesity-related illnesses is $168 billion. Clearly, Americans not should ignore this problem.