I’ve heard a lot of anti-maskers use the argument that since we breathe out CO2, it will become trapped in the mask and is dangerous to breathe back in.
Obviously, this isn’t the case, because doctors wear their masks for hours and hours on end while doing surgeries. However, I am wondering, how does it work?
In: Biology
Honestly even if CO2 would be big enough to stay in the mask-mouth region the concentration in our exhaling air would still be <1%.
IF gases couldn’t travel through cloth, which they can’t, we would die on a low oxygen level since this concentration would decrease steadily. We would be out of oxygen waaaaaay before the CO2 level is high enough to even harm us.
IF the CO2 in our breath could increase the level of CO2 in the air to that amount before the oxygen level gets too low for us we would probably die alone in a room with closed windows, because that’s the same situation on a bigger scale.
It’s just an argument that falls apart after you think about it for like 5 seconds. Which Anti-maskers won’t because they don’t like to.
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