Berkowitz said certain children must carry a combination of genes that make them much more vulnerable to what he calls 'toxic' western environment, where it is difficult to exercise and food abounds. He doesn't blame diet to be only factor for obesity. "It doesn't appear to be factor entirely because we know there are plenty of lean people who eat hamburgers.", he said. " The lean group stays lean but this high risk group really takes off."

Results and studies at US Centre for Disease Control and Prevention says 15% of U.S. children are overweight and more than 60% of adults are overweight or obese. Now that's a tummy full statistics for you! Reuters

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