In my mind 17 studies is settled science.
https://pjmedia.com/news-and-politics/megan-fox/2020/05/14/neurosurgeon-says-face-masks-pose-serious-risk-to-healthy-people-n392431
In my mind 17 studies is settled science.
https://pjmedia.com/news-and-politics/megan-fox/2020/05/14/neurosurgeon-says-face-masks-pose-serious-risk-to-healthy-people-n392431