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‘Wear a mask’: Doctor demonstrates how prolonged mask-wearing does not lead to carbon dioxide retention
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posted a video July 15 after having worn a mask for six hours on the job with the caption: “Wearing a mask does not cause carbon dioxide retention.”“So there’s some concern that if you wear a mask, your CO2 levels will rise and you’ll become unconscious,” Selak states in the video. “We started at 7 o’clock this morning.
It’s almost 1 (p.m.). I’ve had this mask on the whole day, and it’s just a normal surgical mask.”Selak then tests her carbon dioxide levels as she breathes and speaks to the camera.
A monitor shows the CO2 levels rise and fall “well within the normal range.”“As you’ll see, just by having had this mask on for six hours, my CO2 levels are well within the normal range and I feel great,” she says in the video. “So, wear a mask..
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