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Researchers discovered that middle-aged and older adults demonstrated notably improved performance on executive function tests following a single month of HEPA air purifier use in their homes. The 12% increase in processing speed represents a measurable cognitive benefit from reducing indoor air pollutants, according to the study findings.
The research points to a potential protective mechanism against neurological damage caused by ambient traffic pollution exposure. Investigators suggest that improved indoor air quality through mechanical filtration may offer a practical intervention for safeguarding brain health in populations vulnerable to environmental contaminants.
The study enrolled adults aged 40 and older, focusing on age groups historically more susceptible to cognitive decline linked to air quality degradation. Results indicate that relatively simple household modifications could yield meaningful improvements in mental processing capabilities.
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