PORTLAND, Ore. — KGW wanted to address several claims going around stating that wearing a mask lowers your oxygen levels. Viewer Linda W. emailed, asking, “I keep hearing that a person’s O2 stats ...

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 ...

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 ...

Since the start of quarantine and social distancing, wearing masks has been a very touchy subject for some. Some are willing to wear masks to keep themselves and others safe while others oppose the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...