As multiple wildfires continue to burn across Canada and the western United States, millions of people are being exposed to hazardous levels of air pollution. “Smoke carries a lot of particulates, and ...

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NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we may earn a commission. Learn more. Fewer people wear face masks than during the Covid-19 ...

New research shows that while many cloth and medical masks fall short against tiny airborne particles, simple hacks like overmasking or using braces can dramatically improve your protection, yet only ...