Preoxygenation with a bag-valve-mask device did not reduce the risk for hypoxemia compared with preoxygenation with a face mask during emergency tracheal intubation in the emergency department (ED) or ...

On Aug. 7, the Centers for Disease Control and Prevention updated its considerations for wearing certain types of masks. The agency stated that it does not recommend people wear “masks for source ...

Mask valves might make you breathe a little easier, but when it comes to fighting COVID, wearing one is a bad move. (Unsplash/) When shopping for face masks to prevent the spread of COVID-19, you ...

As mandatory face coverings become more and more common, keep in mind, some are better at protecting from viruses than others. When issuing their face covering guidelines, San Francisco specifically ...