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 ...

DENVER (CBS4) – Just about every day on social media you can find claims that masks limit oxygen. "You are putting yourself at immediate danger to life and health with irreversible adverse effects," ...

A doctor has disproved the myth that face masks or coverings lower oxygen levels in a viral video posted to Twitter. Maitiu O Tuathail, a doctor in Dublin, posted the video and said: "Getting asked ...

This claim has been repeated and debated by professionals for the past three months. Air-quality monitors take 10 seconds on average to adjust to the air quality in an environment, so they are not ...

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 ...

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 ...