Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

Like many of the cloth masks we've tried ... especially since my second favorite mask from Vida is available for less than half of that. But the Zenbu is a marked improvement in comfort, structure ...

Contrary to popular belief, single-use face masks do not have any sort of advantage over reusable cloth ones. In fact, the best cloth masks actually achieved better filtration (79 per cent ...

Masks are a big category: There are cloth masks, surgical masks ... trial by a team of Norwegian researchers. They assigned half of their cohort of nearly 5,000 subjects to wear three-ply surgical ...