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    Dementia risk grows with increased exposure to air pollution, study finds

    by Tony Briscoe, Los Angeles Times Aug 29, 2023 4 minutes
    Los Angeles resident Carmen Green jumps rope at a closed Griffith Observatory in spite of dense smoke from wildfires in September 2020.

    LOS ANGELES — Long-term exposure to one of the most prevalent types of air pollution may increase the risk of developing dementia, a debilitating neurological disease associated with memory loss and reduced cognitive function, according to a new study.

    Researchers at the University of Michigan have concluded that people living with higher levels of fine particulate matter, or PM2.5, could face a greater risk of being stricken with dementia, according to a study published recently in the Journal of the American Medical Assn.

    Scientists monitored the cognitive health of nearly 28,000 people aged 50 or older living across the United States between 1998 and 2016. Fifteen percent of this group developed dementia, and those who lived in areas with more PM2.5 were

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