[KTM rider]

then there is hypoxia.

mask caused hypoxia and related health issues has virtually disappeared from the google ministry of truth,

. Long term mask wearing WILL cause heart disease

[Osage Orange]

Ummmmm...I work in a Hosp. sometimes.

I am required to wear a mask...An N-95 specifically...

I check my SpO2 all the time....and never below 95%...which is a bit lower than my norm.

I understand P02 and Sat's....

I know the OxyHemoglobin Dissociation Curve....I'd guess you do not.