Friend groups may encourage kids to be more active

NEW YORK (Reuters Health) - Kids in after-school programs often increase their own physical activity if they make friends who run and jump around more than they do, a new study from Tennessee has found.

Source: http://feeds.reuters.com/~r/reuters/healthNews/~3/yB3Hdo-b57w/us-friend-groups-idUSBRE84R02H20120528

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