Add Yahoo as a preferred source to see more of our stories on Google. Though statewide coronavirus mask mandates have expired, many people have opted to continue wearing them to keep germs and other ...

Share on Pinterest New research examines the protection offered by fit-tested N95 masks against airborne particles. John Tlumacki/The Boston Globe via Getty Images Healthcare workers rely on N95 ...

(NewsNation) — Los Angeles County residents affected by the wildfires that began burning this week are advised to wear the correct masks to protect themselves against harmful smoke. Health experts ...