A non-rebreather mask is a special medical device that helps provide you with oxygen in emergencies. These masks help people who can still breathe on their own but need a lot of extra oxygen.

Non-rebreather masks are used to deliver oxygen therapy to people who require high-concentration oxygen but aren’t in need of breathing assistance. They’re considered low-flow oxygen delivery systems.

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 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 ...

A new study suggests that face masks have a negligible negative effect on the levels of carbon dioxide and oxygen that a person breathes. All data and statistics are based on publicly available data ...