Any mask that can stop a virus is going to make breathing incredibly difficult due to air resistance.
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Replying to @nikhil_k56 @GirishNaught and
Stopping naked virus particles isn’t the goal. Stopping the aerosol and larger respiratory droplets that carry the virus particles, which are MUCH larger, is.

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Replying to @emartinez78987 @GirishNaught and
It amuses me how our "friend" to whom you responded perseverates on just one study, as though it were the be-all and end-all of the science on the matter.
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Replying to @gorskon @emartinez78987 and
Also, beware. He's been seriously sea lioning in my timeline.http://www.wondermark.com/1k62/
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Replying to @GirishNaught @emartinez78987 and
David Gorski, MD, PhD Retweeted BlindBlake
Actually, no I didn't. I was inserted into this thread unknowingly and unwillingly by someone else tagging me. Your sealioning behavior made me realize that I should have just ignored the tag.
https://twitter.com/Gamapoka/status/1332232725722382339?s=20 …David Gorski, MD, PhD added,
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He seems to think that I actually care enough about an anonymous troll to have interpersonal issues with him.
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