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Clearing Pollution Helps Clear the Fog of Aging — And May Cut the Risk of Dementia

During the past decade, a growing body of research has shown that air pollution harms older adults’ brains, contributing to cognitive decline and dementia. What hasn’t been clear is whether improving air quality would benefit brain health. Two studies published this year by researchers at six universities and the National Institute on Aging provide the first evidence of such benefits in an older population. One report, published in the Proceedings of the National Academy of Sciences, found that the risk of dementia declined significantly in women 74 and older following a decadelong reduction in two types of air pollution: nitrogen dioxide, a gaseous byproduct ...

Read the full post at Syndicate – Kaiser Health News
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