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 ...

Wearing a mask is proven by evidence to reduce the risk of coronavirus, despite common myths and misinformation that it is unsafe or ineffective.

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 ...

The #CoronavirusFacts database records fact-checks published since the beginning of the COVID-19 outbreak. The pandemic and its consequences are constantly evolving and data that was accurate weeks or ...

If you've ever traveled on an airplane, you know that masks can drop down to supply oxygen in the case of an emergency. Airline oxygen masks have about a 15-minute supply and typically fall when an ...

A recent study by Embry-Riddle Aeronautical University found that beards do not compromise the effectiveness of airline pilot oxygen masks, challenging long-standing clean-shaven policies. The ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...