Alexandria Omar-Whitmer writes:

mask-induced hypoxia

Another idiot.

Consider this, maybe your simple mind can grasp the details,
I know it's complicated for you.

The mask holds around a cubic inch of exhaled air.
Your lungs push pull about 250 cubic inches of air with each breath.

Gee, simple isn't it?

Probably not for you though.

--
Dan Espen