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WHAT CAUSES OBESITY?
WHAT CAUSES OBESITY?
Gone is the
simplistic notion that obese people don't have willpower or they are too lazy to
exercise. Although the basis of obesity is not only fully understood, the
condition has been recognized since 1985 as a chronic disease caused by a
complex set of factors.
Genes
Studies show that
obesity runs in families. If one or both of your parents are obese, your obesity
risk is higher because genes determine your body shape and, to some extent, your
weight. Just because you are vulnerable to obesity, however, doesn't mean your
fate is sealed. You can defy Mother Nature by learning to control your diet and
by exercising regularly. In certain cases, medication or surgery also can
help.
Fatty foods
Hot dogs, Big Macs,
french fries, macaroni and cheese, nachos, potato chips, ice cream -- all these
high-fat American favorites are cheap, accessible and delicious. Is it any
surprise that fatty foods are contributing to the soaring obesity rates in this
country?
Lifestyle
If you spend most of
your time at a desk or on a sofa, your risk for obesity is higher. Likewise, the
risk is higher for people whose fat intake makes up more than 30 percent of
their daily caloric intake. Studies show people who get 20 to 30 minutes of
exercise most days are less likely to be obese. Your obesity risk is even lower
if you combine an active lifestyle with a low-fat, low-calorie
diet.
Metabolic rate
This term refers to
the rate at which your body uses food. If your metabolism tends to be slow, you
are more likely to store excess calories in the form of fat. A slow metabolism
means you probably need to work harder at losing weight. However, your efforts
may ultimately increase your metabolic rate. Muscle burns more calories than
fat, even at rest. So reducing fat and building muscle through weight-bearing
exercise can help you burn calories more
efficiently.
Psychology
Some people overeat
(binge) when they feel stressed out or depressed. Research shows that about 30
percent of obese people are binge eaters. According to psychotherapist Shelia
Harbet, Ph.D., binge eating temporarily relieves the stress of negative
feelings. Unfortunately, binging is usually followed by feelings of guilt,
shame, disgust and depression.
"Often, binge-eating
episodes are followed by resolutions by the compulsive overeater to stop
bingeing and adhere to diets," says Harbet, a professor in the department of
health sciences at California State University, Northridge. "These resolutions
are eventually broken, filling compulsive eaters with guilt and depression,
leading them back to binge eating again."
For More Information:
Please consult
your physician on your next
visit.
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