Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...

What to do: Air leaks around the edges of a mask can be reduced by layering one of these devices on top of a cloth mask for a better fit. A recent study showed that when either a solid or elastic ...

Double masking earns praise as a way to keep safe from more contagious variants. Are there other mask hacks? And vaccines are prompting some queries. Each week, we answer "frequently asked questions" ...

As the new variant of coronavirus, the Omicron, is spreading, many people might be wondering if the masks they are wearing is effective enough. The answer depends on which type or how they wear their ...