4 ms·
Notice how they said "no reduced inflow", not "no increased effort".
by 323 5y ago
Notice how they said "no reduced inflow", not "no increased effort".
- giantg2 5y agoThey've since edited. "EDIT: other commenters response to this comment made me go look up some original research on the topic. As a result, I fully retract what I've said below. I found several papers that report substantial restrictions of airflow from wearing a correctly fitted N95 mask."