A non-rebreather mask is a medical device that helps deliver oxygen in emergency situations. It consists of a face mask connected to a reservoir bag that’s filled with a high concentration of oxygen.

INDIANAPOLIS — Opponents of face masks have a long list of reasons for refusing to wear them. Some claim the masks are endangering their health. Keelin James said she’s required to wear a mask at work ...

The mask is a tiny, round cup, and it may not be obvious in the moment exactly how to wear it. But the oxygen mask works best if you can get it over your mouth and nose, and tighten it so there’s as ...

DUBLIN, Ireland -- A doctor based in Dublin, Ireland, has debunked the idea that a face mask lowers oxygen levels. In fact, he's shown that even wearing several has no effect. This video shows Maitiu ...

Breathe easy. A new study suggests that surgical face masks don’t cause a buildup of carbon dioxide or restrict oxygen, despite opposing claims. The study, on the “Effect of Face Masks on Gas Exchange ...

Yes, we know that flying is typically considered the safest way to travel. This doesn't change the fact that we're hurtling along tens of thousands of feet in the air, in a vehicle that still seems ...

Doctors and other healthcare workers are taking to Twitter to show that their blood oxygen levels are completely normal while wearing masks. As compulsory mask-wearing laws become more common across ...

As states are reopening, health guidelines recommend that people maintain social distancing, practice hand-washing and wear face masks. The use of face masks is encouraged by the Centers for Disease ...

The ordinance requires all North Carolinians to wear masks, inside or outside, in any circumstance where social distancing isn't possible. Yes, there are certain factors that exempt people with valid ...

Breathe easy. A new study suggests that surgical face masks don’t cause a buildup of carbon dioxide or restrict oxygen, despite opposing claims. The study, on the “Effect of Face Masks on Gas Exchange ...