Doctor runs 22 miles while wearing a face mask — to prove they’re safe – USA TODAY

Doctor runs 22 miles while wearing a face mask — to prove they’re safe – USA TODAY

This is how often you should wash your cloth face mask.
USA TODAY
To prove face coverings are safe and don’t harm oxygen levels, a British doctor ran 22.6 miles in a mask.
On July 20, Dr. Tom Lawt…
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