Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and ...

Not all masks protect against wildfire smoke. Here's what experts recommend as air quality declines in some states due to Canadian wildfires.

Wearing a face mask, when combined with other protective measures, has been shown to help slow the spread of the virus that causes COVID-19. But there remain many misconceptions about the relationship ...

As multiple wildfires burn across Canada and the western U.S., millions are being exposed to the dangers of smoke inhalation.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Wildfires continue to burn in Canada, causing smoke to drift south into some parts of the U.S. That smoke ...

Add Yahoo as a preferred source to see more of our stories on Google. Most people have given up masking. These families share why they're staying vigilant. (Photo illustration: Victoria Ellis for ...

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While Covid-19 rates have been increasing throughout much of the country, the message from many of our public health and political leaders has become one of minimizing and denial. This is happening ...

I you live in a large region of the United States that could potentially be affected by wildfire smoke, it’s time to take your COVID masks out of retirement. Breathing in wildfire smoke (even far away ...

As we get deeper into fall season, experts are warning of a potential 'tripledemic' – the circulation of Covid-19, the flu and respiratory syncytial virus (RSV), all at the same time. Infections from ...

Guess what’s happening with Canadian wildfire smoke now covering a lot of the Eastern U.S., triggering bad air-quality warnings. Many more people are wearing N95 face masks again. After all, such ...