this post was submitted on 20 Aug 2026
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Scientists detect a surprising shift in human blood as atmospheric CO2 rises (www.sciencedaily.com)
submitted 6 days ago by yogthos@lemmy.ml to c/science@lemmy.ml
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[–] epyon22@sh.itjust.works 9 points 6 days ago

Leaded gasoline had a big impact https://today.duke.edu/2022/03/lead-exposure-last-century-shrunk-iq-scores-half-americans

CO2 I imagine very similar lower individual impact but way more widespread.