Thanks, seems I've missed a decimal. My questionable sources[1][2] mention concentrations up to 14000 ppm = 1.4% and seem to disagree whether going higher cogni

Thanks, seems I've missed a decimal. My questionable sources[1][2] mention concentrations up to 14000 ppm = 1.4% and seem to disagree whether going higher cognitive decline plateaus or it becomes harmful. Seems there is merit for concern, though I stand by my claims of cognitive effects probably being more temporary than permanent. [1] https://www.lesswrong.com/posts/DtQzYXBTwaWXbhCoS/stale-air-high-co2-may-decrease-your-cognitive-function https://www.lesswrong.com/posts/DtQzYXBTwaWXbhCoS/stale-air-... [2] https://www.advancedsciencenews.com/co2-on-the-brain-and-the-brain-on-co2/ https://www.advancedsciencenews.com/co2-on-the-brain-and-the...