These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more.

Wearing a face mask when you’re in a public setting is one of the best ways to avoid getting and spreading illnesses like Covid-19, the flu, RSV and the common cold, says Dr. Carl Fichtenbaum ...

Fewer people wear face masks than during the Covid-19 pandemic, but they’re still great personal protective equipment to keep at home. They can help prevent illness and protect the people ...