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Even a few extra pounds is risky
(AP)
Updated: 2006-08-23 08:44

Being a little overweight can kill you, according to new research that leaves little room for denial that a few extra pounds is harmful. Baby boomers who were even just a tad pudgy were more likely to die prematurely than those who were at a healthy weight, U.S. researchers reported Tuesday.

While obesity has been known to contribute to early death, the link between being overweight and dying prematurely has been controversial. Some experts have argued that a few extra pounds does no harm.

However, this is one of the first major studies to account for the factors of smoking and chronic illness, which can complicate efforts to figure out how much weight itself is responsible for early death.

"The cumulative evidence is now even stronger," said Dr. Michael Thun, chief epidemiologist of the American Cancer Society who had no role in the research. "Being overweight does increase health risks. It's not simply a cosmetic or social problem."

A separate large study of Korean patients, also released Tuesday, reached the same conclusion. Both are being published in this week's New England Journal of Medicine.

An estimated two-thirds of Americans adults are overweight or obese, according to federal statistics. Obesity raises the risk of heart disease, diabetes, arthritis and some cancers. Being overweight increases blood pressure and cholesterol levels, which in turn could lead to heart disease.

The latest studies contradict controversial research by the federal Centers for Disease Control and Prevention last year that suggested being a little plump isn't so bad. Since then, CDC chief Dr. Julie Gerberding distanced herself from the report and acknowledged potential flaws in the study that included people with health problems who tend to weigh less.

The U.S. study, by scientists at the National Cancer Institute, involved more than half a million people, ages 50 to 71, participating in a research project by the National Institutes of Health and AARP, formerly known as the American Association of Retired Persons.

Researchers analyzed patients' body-mass index and mortality rate over a 10-year period from questionnaires they filled out in 1995 and 1996 detailing their weight and diet.

Under current government standards, a BMI, or weight-to-height measurement of 25 or higher is overweight; 30 and above is obese.
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