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BEING OVERWEIGHT IS RISKY BUSINESS
Those extra pounds can damage just about every system in
your body. Take heart. Some of this damage is reversible or can at least be
slowed by just losing 10 to 20 pounds.
If
you are overweight or obese, you are at higher risk
for:
- Type 2 diabetes.
- Heart disease and stroke.
- Cancer.
- Osteoarthritis.
- Gallstones.
- Infertility.
- Sleep apnea.
Type 2 diabetes
Ninety percent of people who have type 2 diabetes are
overweight.
Scientists suspect the link may be found in a type of fat called
visceral fat stored in the stomach area - that potbelly. This excess fat means
there are higher levels of free fatty acids in your blood. These acids may
affect how well insulin works, producing insulin resistance that could lead to
type 2 diabetes.
If
you have diabetes, obesity makes drug treatment less effective and makes it more
complicated for you to control your condition.
Heart disease and stroke
Too much body fat, particularly if it's at your waist, increases your
chances for heart disease and stroke, even if you don't have other health risk
factors. That's partly because your heart is working harder, causing it to
enlarge. A diet with a lot of fatty, salty, high-cholesterol foods combined with
an inactive lifestyle will increase cholesterol, stiffen arteries and raise
blood pressure.
Osteoarthritis
This is a chronic condition affecting your joints when cartilage
wears away. Cartilage is the part of the joint that cushions the ends of bones.
When cartilage breaks down, bones rub painfully against each other. Extra weight
puts more stress on your knees, hips and lower
back.
Gallstones
The heavier someone is, the higher the risk for gallstones.
Gallstones are painful masses of solid material that form in the gallbladder as
a result of too much cholesterol.
Researchers think obese people may produce high levels of
cholesterol. That causes the gallbladder to produce bile containing more
cholesterol than it can dissolve, allowing gallstones to
form
People who are obese may also have enlarged gallbladders that don't
work as well. Some studies show someone with a lot of fat around the stomach
area may have a greater risk for developing gallstones than those who carry fat
around their hips and thighs.
Infertility
Abdominal obesity is linked to polycystic ovary syndrome (PCOS), a
cause of infertility in women. PCOS is usually characterized by irregular
menstrual periods, excessive hair growth and obesity, and these problems stem
from ovarian cysts. Obesity itself can also affect a woman's menstrual
cycle.
Pregnancy complications
Obesity during pregnancy increases the risk of miscarriage. The
mother has a higher chance of high blood pressure and gestational diabetes.
Obesity can also complicate labor and delivery. Obese women are more likely to
have children with birth defects.
Pregnant women should never go on a diet or attempt to lose weight
without first talking to their doctor or health care
provider.
Sleep apnea
Obesity, particularly in the upper body, is the most significant risk
factor for sleep apnea. About 60 percent to 70 percent of people with the
condition are obese. Sleep apnea is when a person stops breathing for short
periods during sleep. The heavier you are, the greater your risk for sleep
apnea.
Cancer
Obesity may raise cancer risk because fat cells create a form of
estrogen called estradiol, which encourages cells to divide faster. This
increases the chances of a random genetic error, possibly leading to cancer.
Also, fat around the abdomen may increase insulin and insulin-like growth
factors in the blood, which may increase cancer
risk.
Obese women have a 50 percent higher risk for breast cancer compared
to normal weight women, and obese men have a 40 percent higher chance of colon
cancer. Obesity raises risks of cancers of the kidney, pancreas, rectum,
esophagus and liver.
What you can do
- Aim for a healthy weight and lose weight
slowly. Safe weight loss is 1/2
pound to 2 pounds a week. Don't go on fad diets. Losing as little as 5 percent
of your body weight lowers your risk for some of these diseases.
- Be active. Exercise at least 30 minutes most days of the
week.
- Eat smarter. Make two-thirds of your plate fruits and
vegetables. Read nutrition labels and learn portion sizes. Choose foods that
are low in fat and salt. Aim for five servings of fruits and vegetables
everyday.
For more information please ask your physician on
your next visit.
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