Getting asked

“Does wearing a face mask lower your oxygen levels” repeatedly by patients today!

Based on what they are reading on social media

*Face coverings / masks don’t reduce your oxygen levels!*

I managed to get six face masks on + it had no effect on my oxygen levels! pic.twitter.com/qNKYa8pejx

— Maitiu O Tuathail (@DrZeroCraic) July 14, 2020