The statistics are grim: Roughly one in six U.S. children are obese, and, at last count, nearly one in three are overweight, putting them at increased risk of health problems ranging from diabetes to being bullied at school.
There is a glimmer of good news. After two decades of dramatic growth, childhood obesity rates are showing signs of leveling off.
Government researchers have even reported slight declines among certain subgroups (such as younger children and girls), leading some experts to speculate that the epidemic may have reached the high-water mark.
But there are also signs that this turnaround applies to some kids more than others.
Obesity generally has been a bigger problem among children from low-income families, and a trickle of recent evidence suggests rates may be falling more slowly, or not at all, in this population.
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