Effects of CO2 on the human body
1/5
Not poisonous
CO2 is not poisonous; as a gas, CO2 itself will not hurt you.
2/5
Thinking
Because carbon dioxide is an asphyxiant, it mostly affects your brain. At moderate CO2 levels, around 1000 ppm, there are effects on your thinking.
3/5
Suffocation
These same levels also reduce concentration and focus, as well as create discomfort from breathing stuffy air.
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4/5
Higher level
At higher levels, around 2500 ppm, there are considerable effects on cognitive thought process especially for tasks that require higher-level thinking.
5/5
Headache
People feel fatigued and report having more headaches.