CNN — So, about masks -- they do next to nothing if you don't wear them properly. Yep, even the cloth coverings touted as the best thing since social distancing have instructions. We've laid them out ...

At-home use of red light therapy masks requires a purposeful, consistent approach. These are the steps for the best results.

Which is to say: wile a randomly selected cloth mask is indeed a bit like Russian Roulette, a cloth mask made by referring to the body of work about what makes masks work well just isn't. Click to ...

Any mask is better than no mask, officials are emphasizing after new COVID-19 guidelines by the Centers for Disease Control and Prevention. These guidelines now make clear that cloth masks aren't as ...

PHILADELPHIA — Two years into the COVID-19 pandemic, the public debate on masks is as heated as ever — especially in Philadelphia, which earned national attention for once again requiring masks in ...