Overweight Kids Don’t Have to Be Overweight Adults

Overweight children often become obese adults, with attendant problems such as heart disease, diabetes and cancer.

But a new study suggests there are "critical windows" where that path to weight gain can be changed.

The study, involving more than 2,700 Finnish adults, found what many studies have shown before: Childhood body mass index, or BMI, is a good predictor of adulthood obesity.

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