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.

Wearing a face mask is one way to help prevent the spread of the COVID-19 virus, according to health care officials. However, they are sometimes uncomfortable and confining and have even become a ...

Wearing a face mask is one way to help prevent the spread of the COVID-19 virus, according to health care officials. However, they are sometimes uncomfortable and confining and have even become a ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Wearing a mask to protect against transmission of COVID-19 does not decrease oxygen saturation, ...

New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. If you’re anything like us, you stopped masking as ...

Whether you’re paying attention or not, that pre-flight safety demonstration is there for a reason. Everyone is familiar with this must-do part of your flight, and hopefully, most of us have absorbed ...