Human cognitive ability and intelligence vary significantly with elevated CO2 levels
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Human cognitive function and task performance decline when individuals are exposed to elevated levels of carbon dioxide.
Evidence for · 2
Acute Air Pollutant Exposure and Cognitive Impairments in Healthy Young Adults: A Scoping Review of Human-Controlled Exposure Studies.
2026 · cited by 0
A scoping review of controlled human exposure studies indicates that acute exposure to elevated carbon dioxide concentrations impairs cognitive domains such as working memory.
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More for · 1
Impact of ultra-low tidal volume ventilation on 1-year functional outcome in COVID-19 ARDS patients. A long-term follow-up analysis of a randomized controlled trial.
2026 · cited by 0
A clinical follow-up analysis found that elevated arterial carbon dioxide levels resulting from ultra-low tidal volume ventilation are significantly associated with long-term decreases in cognitive status.