About Four in 10 U.S. Adults are Obese

Almost 40% of U.S. adults and 18.5% of children aged two to 19 are obese, according to the CDC. The expanding epidemic of obesity is expected to lead to sicker Americans and higher healthcare costs. "Because rates of obesity are so high, despite all the advances we're seeing, our children may live less healthy and shorter lives than their parents," Dr. Seema Kumar of the Mayo Clinic said. "We're going to have a much higher number of adults with diabetes, high blood pressure and heart disease down the line."

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