511 Effects of wearing a mask. NIH study. Link in comments. (media.greatawakening.win) posted 3 years ago by SJBHamilton 3 years ago by SJBHamilton +511 / -0 125 comments download share 125 comments share download save hide report block hide replies
Linking to the fully comprehensive Stanford study!
https://www.sciencedirect.com/science/article/pii/S0306987720333028