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 ...

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 ...

Wearing of masks has become mandatory in many states Researchers ranked which among the common masks are the most to least effective N95 masks are still the most effective at curbing the spread of the ...