Our grandparents were right about the value of fresh air:

Our grandparents were right about the value of fresh air: https://open.substack.com/pub/constructionphysics/p/we-need-more-research-on-how-co2?r=fq8q&utm_campaign=post&utm_medium=web

President of Antares Industries. Mom to 2 little boys. Nuclear energy advocate. Formerly SpaceX and Opendoor. Angel investor. 

Amen, one of the reasons I love the country side

Findings here seem consistent with my mental model where the CO2 itself isn't so bad, but we're wired with a CO2 anti-suffocation alarm that causes increased anxiety when CO2 spikes suddenly. That would be why the submarine studies didn't see significant performance degradation.

DHH was early on this one. bought CO2 monitors as soon as I heard him talk about this.

I followed up on this and found an SSX review useful
https://slatestarcodex.com/2018/08/23/carbon-dioxide-an-open-door-policy/

This paper is also convincing, but "Confirmation of these findings is needed."
https://ehp.niehs.nih.gov/doi/10.1289/ehp.1104789