Air pollution is making us dumber, study shows (CNN)

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CNN has amplified data examined by IFPRI researcher Xiaobo Zhang in a news feature that argues accumulative exposure to air pollutants significantly impacts cognitive abilities.  As a result, dirty air also imposes substantial health and economic costs, particularly for the elderly who rely on cognitive functioning to run daily errands and make high-stake economic decisions.

Photo credit: James Riker

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