A retired nurse, Sandra Falk, noted that her former colleagues encounter up to 12 hours of exposure in any shift, creating respiratory problems that double the incidence rate in the general population ...

A dusty house isn't just unsightly. It could irritate people with asthma or allergies. But an air purifier could help your ...

Most of the world's population is exposed to polluted air, and to those living in cities with chronically bad air, the smog ...