The air on a plane is extremely clean and heavily filtered. Fresh clean air from thousands of feet in the sky is piped in. You won't breathe the same air for more than a minute or two. It's the cleanest and safest confined space on Earth. And yet you have to wear a mask. Absurd.
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@FormrRepublican @MattWalshBlog What percentage of people who smoke/have smoked developed lung cancer?