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Causes and efects of Obesity Essay

Obesity is a factor that increases risk developing a number of serious and potentially life – threatening disease. At present, obesity rates are rising in several developed countries such as the United States, Mexico, the United Kingdom, New Zealand and Hungary. Around a quarter of these countries’s population is overweight. This essay will look at some of the causes and effects of obesity.

Firstly, energy imbalance most often causes obesity. Energy imbalance is the excess of energy in over energy out. Energy in and energy out are the amount of calories the body obtains and uses, respectively. If the amount of energy in is greater than the amount of energy out, your body contains unnecessary calories. Unecessary calories is transformed into fat. The more fat you get, the more weight you gain. Overtime, obesity is inevitable.

The other major cause of obesity is lack of physical activities. Sufficiently practicing of physical activities is one of the best way help burn unnecessary calories. Therefore, lacking of volume of physical activities leads to extra calories retained. As a result, obesity happens. For intances, many people hace jobs that involve too much desk sittng and no physical activities. They do not use all the energy provided by foods they eat, and the extra calories are stored as fat instead, which causes obesity.

Obesity is a risk factor for many dangerous disease. However, there are two most fatal effects of obesity. Firstly, obesity has been known as the main factor of high blood pressure. High blood pressure is literally the pressure on blood vessels caused by high workload of heart. The obese body contains fat tissue that needs oxygen and nutrients to live, which requires more blood. Therefore, the heart must pumps more blood through blood vessels, and vessels indure high pressure of blood. This causes high blood pressure.

The other consequence of obesity is type 2 diabetes. Diabetes is medical condition which makes blood sugar level higher than normal. This is the result of insulin resitance. Obesity can cause resistance to insulin, the hormone that regulates blood sugar. When obesity causes insulin resistance, the blood sugar becomes eveluated. Even moderate obesity dramatically increases the risk of diabetes, such as blindness.

To summarise, obesity derives from two major causes which are energy imbalance and lack of physical activities. Its effects are numberous but the most critical ones are high blood pressure and diabetes. People who are struggling with obesity should start to do more physical activities and have a balance diet in their daily life, so that they can lose weight and avoid obesity.

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