Your breath could hold clues to your health, researchers say — and they have developed a "smart mask" to tap into them. Wei Gao, professor of medical engineering at the California Institute of ...

Face masks are only effective as long as they provide a proper fit around the wearer’s mouth and nose, so to help ensure a mask is always doing its job properly, even at the end of a long shift, ...

Surgical face masks help prevent the spread of airborne pathogens and therefore were ubiquitous during the COVID-19 pandemic. Now, a modified mask could also protect a wearer by detecting health ...