HEPA, high efficiency particulate air, is a form of air purifier that removes or reduces harmful particle matter from the air ...

Air pollution can negatively affect mental function after just a few hours of exposure.

Participants were randomly divided into two groups. One group used a HEPA air purifier for one month, followed by a sham purifier—an identical device without an air-cleaning filter—for another month, ...

Somewhere, deep down, I know my level-eight reaction is a mismatch to the level-three problem: I’ve fallen behind on emails, and now I seem like a total flake. My inner voice chides me, “You’re an ...

A large body of research shows that meditation benefits the brain, but how much is required is less clear. This study ...