A valve mask filters air only when you inhale and could have been effective to tackle pollution but if you are stepping out in COVID, think about changing it as it expels air in a strong, steady jet, ...

SAN FRANCISCO (KGO) -- As multiple large wildfires rage in the Bay Area, we now need to mask up for another reason. Air quality in parts of the Bay Area was the worst in the world Wednesday, with much ...

WASHINGTON, November 10, 2020 -- If you have seen someone wandering around the grocery store or elsewhere with a mask with a valve on it and wondered how safe it is for you, you were right to be ...

Wearing a face mask helps stop the spread of coronavirus and keep others safe, unless it has a valve on it. New research has revealed how ineffective these types of masks are. High speed cameras have ...

Masks with one-way valves provide more comfort to the wearer However, these masks allow unfiltered air out, posing a threat if the wearer is COVID-19 positive Some counties have banned the use of face ...

They make breathing in a mask more comfortable, but face coverings bearing filter valves have been banned from military health facilities and increasingly at bases as well, under guidance issued by ...

In the name of affordable anti-pollution masks, we found many medical stores offering a variety of masks unfit to safeguard you when the AQI in Delhi is still “poor”. These range from cloth masks, ...

Are you planning a getaway to another state or region this summer? Perhaps you’re taking a road trip or renting an RV. Maybe you’re going to a visit to a national or state park, campground or other ...

Which N95 carbon filter masks are best? When contaminants from the environment get into your lungs, they can do damage. A proper respirator mask can filter out these undesirable elements and help to ...

KUWAIT CITY, Sept 9: The Medicinal and Botanical Medicines Registration and Control Department at the Ministry of Health issued a decision banning the import of masks with a valve, reports Al-Rai ...

Forbes contributors publish independent expert analyses and insights. I write about the brain and the body but sometimes other things. New videos show how the N95 masks with an exhalation valve ...