This would be hyperventilation syndrome https://en.wikipedia.org/wiki/Hyperventilation_syndrome https://en.wikipedia.org/wiki/Hyperventilation_syndrome CO2 is

This would be hyperventilation syndrome https://en.wikipedia.org/wiki/Hyperventilation_syndrome https://en.wikipedia.org/wiki/Hyperventilation_syndrome CO2 is not simply a waste product we exhale, we need it for pH regulation of our blood.