Clean Air's Unlikely Silver Bullet for Aging Brains Research published in Scientific Reports suggests that using a HEPA air purifier at home for one month can have a measurable impact on brain function, particularly among adults over 40.
A study involving 119 participants living in Somerville, Massachusetts – an area with high levels of traffic related air pollution – found that those who used a HEPA purifier showed significant improvement in cognitive function.
The participants, aged 30 74, completed tasks related to mental flexibility and executive function 12% faster when using the HEPA purifier compared to a sham device.