University of Bristol researchers used special techniques to measure the fat mass and activity-related energy expenditure of 5 500 children.
The results showed consistently that the less active children were, the greater their fat mass. This effect was stronger in boys than in girls. The statistical association between fat mass and low activity levels was greater for moderate and vigorous activity than for total activity, the study found.
They acknowledged that their study had certain limitations, but the researchers said encouraging children to be more active should be a major part of efforts to fight the childhood obesity epidemic.
The study is published in the current issue of the journal PLoS Medicine. – (HealthDayNews)
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Child nutrition
March 2007