Pro mask or anti mask?

I'm not sure the science supports the effectiveness of the masks.

This page is a permanent link to the reply below and its nested replies. See all post replies »

what we know, from science, is that they do cut down transmission, by stopping the spray of fluids both in and out.

i have too many people in my life on the front lines of this. they are 100% using them. and suggesting 10 feet, not 6