Smoking traditional or non-combustible cigarettes while wearing a surgical mask results in a two-fold rise in exhaled carbon monoxide and impaired blood vessel function compared to non-mask periods.
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. AKRON, Ohio (WJW) — From the CDC to medical ...
SAN FRANCISCO (KGO) -- The omicron surge has caused the CDC to finally update its mask guidance late last week, indicating a clear preference for the level of protection offered by N95 and KN95 masks.
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