Being exposed to highway pollution can cause brain damage in mice akin to memory loss and Alzheimer's disease, researchers said Thursday.
Scientists recreated the airborne pollutants that come from the burning of fossil fuels and the weathering of car parts and pavement, and exposed mice to the harsh air for 15 hours per week over 10 weeks.
The tiny air particles were "roughly one-thousandth the width of a human hair, and too small for car filtration systems to trap," but exerted massive damage on the brains of the exposed mice, said the study.
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