​Obesity Epidemic Rises By 70 Percent In Past Decade

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October 21, 2021

Obesity is still a major problem and has shot up by 70 percent in the past decade or so, even with all the knowledge to educate the American population. However, this increase has slowed down in more recent years, according to a new study.

Between 2000 and 2010, the proportion of Americans who were severely obese - at least 100 pounds overweight - rose from 4 percent to almost 7 percent.

The increase showed signs of slowing after 2005, researchers found. But the bad news is that the severely obese remain the fastest-growing segment of obese Americans, said study leader Roland Sturm, a senior economist at the non-profit research institute RAND Corporation.

More than one-third of U.S. adults are obese, which means having a body mass index (BMI) of 30 or higher. BMI is a measure of weight relative to height.

Recent studies have found that the nation’s obesity rate, among adults and kids, may be leveling off. But most of those folks are moderately obese.

“Everybody’s talking about obesity leveling off,” Sturm said. But what tends to get “lost” in the discussion is the fact that severe obesity - BMIs of 40 or higher - is still rising fast.

That’s important, Sturm said, because those are the people who have the highest healthcare costs - about double those of normal-weight Americans.

People with a BMI of 40 or higher would be at high risk of conditions like diabetes, severe arthritis and heart disease. They are also the folks who could be candidates for obesity surgery.
But there are other costs besides the healthcare price tag, Sturm noted. There’s the human cost of living with obesity-related health problems, and often a loss to the workforce.

“There’s the disability and inability to work,” Sturm said. “People may be basically forced into retirement because they can’t work.”

The findings, reported in the International Journal of Obesity, are based on data from an annual government health survey of U.S. adults. BMI estimates were made based on people’s self-reported weight and height.

Moderate obesity, the study found, rose relatively slowly after 2000 and seemed to level off from 2005 on. In contrast, the proportion of Americans with a BMI of 40 or above climbed by more than 70 percent.

That translates to about 15 million U.S. adults with a BMI that high, Sturm said.