A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-yea

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问题     A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-year period than kids living amid more concrete and【C1】______ (few)trees. Such findings tell a【C2】______(power)story. The obesity epidemic began in the 1980s, and many people attribute it to increased portion sizes and【C3】______(active), but that can’ t be everything. Fast foods and TVs have been with us for a long time. "Most experts agree that the changes were【C4】______(relate)to something in the environment. " says social epidemiologist Thomas Glass of The Johns Hopkins Bloomberg School of Public Health. That something could be a【C5】______(shrink)of the green.
    The new research, 【C6】______(publish)in the American Journal of Preventive Medicine, isn’ t the first to associate greenery with better health, but it does get us closer to identifying what works and why. At its most straightforward, a green neighborhood simply means more places for kids to play—which is vital since time spent outdoors is one of the strongest correlates of children’ s activity levels. But green space is good for the mind too; research by【C7】______(environment)psychologists has【C8】______(show)that it has cognitive benefits for children with attention-deficit disorder. In one study, just reading outside in a green setting improved kids’s ymptoms.
    【C9】______ (expose)to grassy areas has also been linked to much stress and a lower body mass index(体重指数)among adults. And an 76 of 3, 000 Tokyo residents associated【C10】______(walk)green spaces with greater longevity(长寿)among senior citizens.  
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