Brain Smog

New evidence of a possible link between exposure to air pollution and risk of Alzheimer’s disease and other forms of dementia is provided by a University of Southern California study to be published in Transitional Psychiatry next week. The study reports that levels of air pollution above EPA standards double older women’s dementia risk. A similar finding for the general population could mean air pollution accounts for nearly 21% of global dementia cases.

USC neuroscientist Caleb Finch [N1] believes air pollution “will turn out to be just the same as tobacco—there’s no safe threshold.”
 
Source: Science

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