Hypothesis: Obesity is hard to get rid of as both human brain systems and the external environment incite eating.
In the United States, in that respect is an estimated 25% of men and 43% of women attempt to lose tip each year. However, only 5-20% of them jazz to control their diet in keep it off for the huge haul. With the increase of aids for losing weight nowadays, here comes the question, why is losing weight so hard to achieve?
Obesity means that there is excess plump down accumulated in ones dust that threatens the health of a person. It is commonly caused by exuberant calories intake, lack of physical exercise, and genetic susceptibility. It may lead to increase health problems and hence, reduced life expectancy. The most common whole tone of obesity is the body mass index or BMI. A person is considered overweight if his or her BMI is between 25 and 29.9; a person is considered obese if his or her BMI is over 30. BMI is a measure which compares the ration between weight and height. [http://www.webmd.com/diet/guide/what-is-obesity]
A multitude of systems in the brain acts in concert to advance eating.
The brain has different backup systems that work to maximize the bodys intake of calories including gustatory cortex and the somatosensory regions, the rest period in the hypothalamus, etc. It is believed that human instincts drive us to view high-calorie food as the system has evolved to defend against the loss of fat against the threat of weight loss. The brains prime directional to eat and defend against the loss of fat emerged early in evolution. [Dan Hurley, Discovery, June 2011, p. 53-59]
There are ads for food on TV roughly every six nanoseconds -- and the food being advertised on TV is overwhelmingly dispose food. There are ads for junk food in magazines, newspapers, billboards, buses... all around us. Although genes are an weighty factor in many cases of obesity, a persons environment also...If you penury to get a full essay, order it on our website: Ordercustompaper.com
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