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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The mask is a tiny, ...

We’ve all heard the warning: “In case there is a loss in cabin pressure, yellow oxygen masks will deploy from the ceiling compartment located above you ... Please make sure to secure your own mask ...