Obesity

Obesity in America

Obesity is an excess proportion of total body fat. A person is considered obese when his or her weight is 20% or more above normal weight. The most common measure 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. "Morbid obesity" means that a person is either 50%-100% over normal weight, more than 100 pounds over normal weight, has a BMI of 40 or higher, or is sufficiently overweight to severely interfere with health or normal function. Obesity occurs when a person consumes more calories than he or she burns. For many people this boils down to ...

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they burn more energy at rest) than women, so men require more calories to maintain their body weight. Physical activity: Active individuals require more calories than less active ones to maintain their weight. Additionally, physical activity tends to decrease appetite in obese individuals while increasing the body's ability to preferentially metabolize fat as an energy source. Much of the increase in obesity in the last 20 years is thought to have resulted from the decreased level of daily physical activity. Psychological factors: Psychological factors also influence eating habits and obesity. Many people eat in response to negative emotions such as boredom, sadness, or anger. People who have difficulty with weight management may be facing more emotional and psychological issues; about 30% of people who seek treatment for serious weight problems have difficulties with binge eating. During a binge-eating episode, people eat large amounts of food while feeling they can't control ...

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PAPER DETAILS
Added: 10/28/2013 08:59:46 PM
Submitted By: ry22hall
Category: Health & Medicine
Type: Premium Paper
Words: 1092
Pages: 4

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SIMILAR ESSAYS
» Obesity
» Obesity
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» Childhood Obesity
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» Child Obesity
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» Prevalence of Obesity in USA
» Obesity and Exercise
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