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Right; and I suspect this would explain the reason this affected more developed countries as they would have a higher percentage of people in urban areas with high localized CO2 levels even outdoors (e.g. breathing car exhaust while walking in Manhattan or sitting in traffic).

It also stands to reason that higher global CO2 levels would have some sort of correlation to higher indoor CO2 levels. What’s really scary about this is that if such a cognitive effect were to be true, it would ultimately impact our ability to address the problem.

But you’re right, no need to sound the alarm bells yet but I think this is something that needs to be looked into.



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