Public health researchers cheered an encouraging trend recently: Childhood obesity rates, which rose steadily through the 1980s and 1990s, seemed to have plateaued in the 2000s.
But new research suggests a different, troubling problem lurking behind that plateau — a steep rise in the rates of severe obesity, particularly among older and minority children.
The fraction of adolescents with severe obesity — a body mass index of 40 or greater — has more than doubled from 0.9 percent in 1999 to 2.4 percent in 2013 and 2014.
[For more of this story, written by Sarah Frostenson, go to http://www.vox.com/2016/4/26/1...teens-morbidly-obese]
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