I made a screen grab, from the Stanford study link, to carry around if any Mad Mask Karenโs try to force me to wear an unhealthy mask.
Most, here in TX, have chilled...but, we still have a few.
This should be sent to all docs offices, too.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7680614/
Excellent link.
Hard for the “science denier” accusers to argue with since it’s in a scientific journal.