People whose homes are near busy highways may be able to reduce their blood pressure by running an air purifier with a HEPA filter, a study found. Just a month of air filter use cut systolic blood ...

HEPA filters have become an increasingly common option in smart homes for those who really, really want to make sure they’re removing every bit of allergen or potential infectious particle. Often ...

In one sense, it’s almost comforting to think of radiation as an IAQ problem - a very big one - but whose first line of defense could be a HEPA filter. In another sense, it’s disconcerting to think of ...