Throw away disposable face masks after one use. If you absolutely have to reuse an old face mask, here's how to minimize the chances of infection.

With rising city pollution, protecting your lungs from PM2.5 and PM10 is vital. Experts advise using N95 or KN95 masks for effective filtration. Disposable masks should be discarded after a day, while ...

The efforts will increase critical equipment as hospitals combat the coronavirus The U.S. military is 3D-printing face shields, designing reusable plastic N95 masks and sewing surgical masks to ...