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Friday, June 26, 2020

Home » , , » A doctor tested her oxygen levels and heart rate while wearing face masks to show they don't make it hard to breathe

A doctor tested her oxygen levels and heart rate while wearing face masks to show they don't make it hard to breathe

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A doctor tested her oxygen levels and heart rate while wearing face masks to show they don't make it hard to breatheA doctor tested her oxygen levels and heart rate while wearing four different masks to debunk myths about their effects on breathing.




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