(CNN) — The US Centers for Disease Control and Prevention has changed its mask guidelines to recommend that people “wear the most protective mask you can that fits well and that you will wear ...
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 ...
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 ...