The Importance of Protecting Yourself From Environmental Pollution

I'm getting asked about the use of those face masks with viruses in general. And there isn't enough evidence that I can see that it's actually going to have a meaningful effect how you can test that. What I keep wondering is why do surgeons wear them and why do doctors wear them and their hairnets and so on? Certainly surgeons, when you're talking or anything, the spittle and the airborne sort of ... Okay, so it's protecting the person rather than... When you're in front of someone who's abdomen is open or whatever and you're in a sensitive area, then that's just an infection control policy. So these little cloth things around the face aren't going to

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