“While eight times the normal level of carbon dioxide is toxic…mask-wearers are breathing in 35 to 80 times normal levels"

“While eight times the normal level of carbon dioxide is toxic…mask-wearers are breathing in 35 to 80 times normal levels…high blood pressure, reduced thinking ability, respiratory problems, and reproductive concerns are among the many possible results.”  https://t.co/MFxKPfPhy3

— Michael P Senger (@michaelpsenger) May 17, 2023