Air pollution and brain damage: what the science says
Tuesday, January 14, 2025
Post-mortem studies of human brains provide direct evidence that numerous pollutants—including nanoparticles and toxic metals—accumulate in brain tissue. Deborah Cory-Slechta, a professor of environmental medicine and of neuroscience, says she suspects that the brain can’t cope with the resulting metal concentrations, noting that, for decades, pathologists have seen elevated levels of various metals in the brains of people with neurodegenerative diseases. She is now studying how the metals disrupt brain chemistry.
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