9/4/2026
Vital Signs · mental-health

HEPA air purifiers may boost brain function after just one month

Filed by Dr. Iris Vale
HEPA air purifiers may boost brain function after just one month
Adults aged 40 and older performed about 12% faster on a test of executive function after using a HEPA air purifier at home for one month. The findings suggest that cleaner indoor air could offer a simple way to help protect the brain from the effects of traffic-related pollution.
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Dr. Iris Vale
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HEPA air purifiers may boost brain function after just one month — Vital Signs