Americans exercising more, but not getting thinner

More than a third of U.S. adults Obese

McClatchy-Tribune Washington bureauJuly 11, 2013 

  • Kentucky highlights

    The percentage of women in Morgan County exercising enough each week jumped 18.3 percentage points between 2001 and 2009 to 44 percent, the biggest improvement found in the study.

    The nation's most overweight county for men is Owsley County, where 46.9 percent of the male residents are obese. The county also has the least physically active men, with just 33.1 percent reporting they get sufficient exercise.

WASHINGTON — Americans are exercising more, but that has not done much to slim their waistlines, underscoring the immense challenge confronting health advocates fighting the nation's obesity crisis.

In more than two-thirds of the nation's counties — including some of the most unhealthy — men and women became more physically active over the last decade, according to data published Wednesday.

Women made notable progress, with the percentage who got sufficient weekly exercise jumping from 46.7 percent to 51.3 percent. The percentage of physically active men went up one point to 57.8.

But these improvements have done little to reduce obesity, researchers at the University of Washington's Institute for Health Metrics and Evaluation concluded.

Between 2001 and 2009, obesity rates for men or women fell in just nine counties. National rates climbed throughout the decade, although some recent evidence suggests obesity rates may no longer be rising.

"There has been a lot of progress on physical activity," said Dr. Christopher Murray, lead author of the research, which was published in the journal Population Health Metrics. "To tackle obesity, we need to do this. But we probably also need to do more."

Today, more than one-third of U.S. adults and approximately 17 percent of children are obese, according to the federal Centers for Disease Control and Prevention.

Many experts believe that changing diet may do more to bring those numbers down than increasing exercise.

A separate paper by the institute published Wednesday in the Journal of the American Medical Association identified poor diet as the No. 1 factor contributing to America's poor health compared to other industrialized nations.

Life expectancies in the United States stagnated for women in 1,405 counties and for men in 154 counties between 1985 and 2010, researchers reported. And Americans living in the worst-performing counties in the nation, in Appalachia, now live shorter lives than people in Vietnam, Yemen and Sudan.

Despite the grim news, Murray and others believe that, eventually, the increase in exercise will likely deliver significant health benefits and may help reverse the decades-long increase in weight.

"We know that exercise has amazing virtues," said Dr. Georges C. Benjamin, executive director of the American Public Health Association. "It helps prevent cardiovascular disease, build muscle tone and reduce bone loss. It improves mental health, and it reduces stress. ... All of those are vitally important."


Kentucky highlights

The percentage of women in Morgan County exercising enough each week jumped 18.3 percentage points between 2001 and 2009 to 44 percent, the biggest improvement found in the study.

The nation's most overweight county for men is Owsley County, where 46.9 percent of the male residents are obese. The county also has the least physically active men, with just 33.1 percent reporting they get sufficient exercise.

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