CDC to expand body mass index charts for severely overweight kids

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So because of the growing obesity crisis with kids the CDC is going to expand the BMI charts for kids.

Obviously looking around its needed.

But what I want to know what others think.... are pediatricians doing enough to help families prevent children from becoming obese? I think many family need help, GOOD help, but it doesn't seem like pediatricians know how to provide this. Should they now take courses in how to help families prevent or deal with this in kids?