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Most of the CO2 stays in the body, which ultimately means that significantly more O2 is used up than CO2 is introduced back into the air again. The comment about submarines is high…

They probably do not move in direct tandem, because most of the CO2 stays in the body, which means a higher amount of oxygen is taken out of the air, then CO2 being reintroduced to…

No, the body does not use the same amount of oxygen, as the amount of CO2 it exhales. The amount of oxygen used is way higher. A person consumes 19 cubic feet of oxygen a day. Edit…

The symptoms of slight sub-clinical hypoxia are in line with the observed effects of people in high CO2 office rooms: headaches, concentration problems, tiredness, etc. In a closed…

There's one big problem with this entire idea of co2 levels affecting sleep quality or humans in general: Even though there are cognitive effects of CO2, most often the CO2 levels …