A child runs a shopping cart relay during an Education Department summer enrichment event, "Let's Read, Let's Move." The 2012 event was part of a summer initiative to engage youths in summer reading and physical activity, and provide them information about healthy, affordable food. Many efforts underway are aimed at getting people to think anew about their daily habits. Chris Maddaloni/CQ-Roll Call/Getty Images hide caption

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There's a reason she's out there all alone. Children worldwide are spending less time on sports and active play and more time with TVs and video games. iStockphoto.com hide caption

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