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Hur 1! Olivia Hur Ms. Barr ELA 8 Honors 11 February 2016 Obesity In the United States, approximately 72 million people, over a third of the adults, are considered obese. Obesity is the state in which one has an excessive amount of body fat. According to the National Institute of Health, one is considered obese if their BMI (Body Mass Index) is over 30. An unhealthy eating habit and a lack of exercise can cause obesity. Obesity may lead to cancer along with many other health issues such as type 2 diabetes and heart diseases. To prevent this disease which causes many harmful effects to our body, one must control their eating habits and put in more physical activity into their routine. Considering the number of obese people and its negative effects, we can see how it is a major problem here in the United States. However, with a few steps, it can be prevented. Some may say the main cause of obesity is not one’s lifestyle, but actually their genes. However, many sources have proved this theory wrong. The main causes of obesity are an inactive lifestyle, a lack of energy balance, and sometimes, the environment. For example, in America, we have large food portions and little accessibility to safe places to walk. This leads many people to be inactive for they spend a lot of their time sitting in a desk, sofa, car, etc. This inactive lifestyle does not allow the energy we took in from our food to be let out which causes obesity. Hur 2! Although there are many other causes for health problems, many different kinds of it are caused from obesity. Obesity causes not one, but many types of cancer including esophagus, pancreas, colon, rectum breast, endometrium, kidney, thyroid, and gallbladder cancers. This is because estrogen produced by fat tissues can cause many different types of cancer and chronic low-level inflammation, usually found in obese people, can create a higher risk of cancer. Not only that, obesity can also cause type 2 diabetes and heart diseases. With an excessive amount of fat, our bodies become insulin resistant, which causes our bodies to be unable to take the sugar out of our blood which results to high blood sugar levels and causes a higher chance of type 2 diabetes. Once obese, it is extremely hard to go back. However, there are many ways to prevent it before it starts. To prevent obesity, one must change their inactive lifestyle and unhealthy diet, the two main causes of obesity. For a more active lifestyle, one should spend less than two hours watching tv or doing the computer and try to put more physical activity into their life cycle. Having about one hour of exercise a day is useful to reduce the risk of obesity. Also, cutting down on unhealthy foods and consuming more healthy foods such as fruits and vegetables instead of foods filled with sugar and fat will prevent obesity. The site suggests at least five servings of fruit and vegetables each day to create a healthy eating habit. Additionally, for infants, breastfeeding will help prevent obesity from 15 to 40 percent. Obesity is a common and harmful disease effecting many Americans and people around the world today. It is caused mainly from unhealthy eating habits and a lack of exercise, but can be prevented by fixing their diet and exercise routine. Clearly, obesity is a significant problem here in the United States which can be reduced with a few changes. Hur 3! Sources: "Obesity and Cancer Risk." National Cancer Institute. National Institutes of Health, 3 Jan. 2012. Web. 9 Feb. 2016. Obesity." Effects of Obesity. Stanford Health Care, n.d. Web. 10 Feb. 2016. "How Can Overweight and Obesity Be Prevented?" - NHLBI, NIH. National Institutes of Health, 13 July 2012. Web. 12 Feb. 2016. "Overweight & Obesity." Centers for Disease Control and Prevention. Centers for Disease Control and Prevention, 19 June 2015. Web. 11 Feb. 2016.