CO2 toxicity levels?

I never thought too much about this, but this article pointed to concerns that many of us who work in enriched environments might want to consider.

https://www.theguardian.com/environ...vels-could-be-a-health-hazard-scientists-warn

In a nutshell, cognition was strongly affected and an increase in inflammation was also noted. there were some nice links to longer scientific studies for those so inclined...