Improving air quality appears to slow cognitive decline and reduce the risk of developing dementia in older women living in the U.S., according to a new study by researchers from the Keck School of Medicine of USC. Their research was recently published in the journal Proceedings of the National Academy of Sciences.

Research has shown that exposure to air pollution later in life is connected to a higher risk of developing dementia, but until now it has been unknown how improving air quality would impact brain health.

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