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Study says pollution may have reduced birth weights in Beijing
Study says pollution may have reduced birth weights in Beijing

Exposure to air pollution may reduce the weight of newborn children,  according to scientists who studied birth weights in Beijing before, during and after the 2008 Summer Olympic Games, when Chinese government controls temporarily reduced the city’s often-hazardous smog levels. In a study released Tuesday in the journal Environmental Health Perspectives, an international team of researchers compiled information on births from 83,672 mothers across four Beijing districts. The study says that women who were eight months pregnant during the 2008 Olympics, which ran from Aug. 8 through Aug. 24, gave birth to children who were on average 23 grams heavier than infants born during the...

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