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 ...

Every winter, as Delhi’s air thickens with smog, masks return as our go-to protection. They do help filter harmful particulate matter, but poor mask hygiene can ironically do more harm than good. A ...

(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 ...