I happened to get blood work while wearing a mask, and for the first time ever I had elevated, out of range, CO2 levels, next blood work, no mask, no elevated C)2 level. An eternal mystery.
I happened to get blood work while wearing a mask, and for the first time ever I had elevated, out of range, CO2 levels, next blood work, no mask, no elevated C)2 level. An eternal mystery.
I happened to get blood work while wearing a mask, and for the first time ever I had elevated, out of range, CO2 levels, next blood work, no mask, no elevated C)2 level. An eternal mystery.