obesity
Obesity is a common disorder amongst our society today. It is caused by many factors, including excessive caloric intake, lack of physical activity, as well as genetic influences. Excess body fat is caused by an imbalance between energy intake and energy expenditure which are brought on by factors such as age, family history of obesity, genes, and lifestyle.Doctors use several methods to diagnose obesity. Body mass index (BMI) is a calculation used by doctors to determine oneÆs body weight relative to their height. BMI is calculated by weight in pounds divided by height in inches squared, and multiplied by 705. A BMI of 30 or more is considered obese and 40 or more is considered severely obese. Doctors will also measure waist circumference, associated with abdominal fat. Weight gain around the abdominal area shows a high health risk because the fat is more metabolically active than weight gained thighs or hips. Excess abdominal fat is associated with
Most obesity drugs are appetite suppressants which decrease appetite by affecting levels of the brain neurotransmitters catecholamine, serotonin andnorepinephrine, brain chemicals that affect mood and appetite. Orlistat is a drug that works by cutting down the body's ability to absorb dietary fat by about one third. Another type of surgery is known as combined restrictive and malabsorptive surgery where the stomach is connected to the small intestine, bypassing the duodenum, the beginning section of the small intestine. com (April 8, 2004)ôPrescription Medications for the Treatment of Obesityohttp://www. Also, obese people are more likely to develop diabetes due to a decline in glucose tolerance. EffectsSeveral types of cancer are associated with obesity, including cancer of the breast, uterus, gallbladder, cervix, ovary, and colon. Possible complications from surgery are leaking of stomach juices into the abdomen, injury to the spleen, erosion of the band, breakdown of the staple line and the sectioned portion stretching from overeating. Toronto: Toronto Community News, 2004.
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