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nwah1
on May 22, 2019
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IQ rates are dropping in many developed countries
Only for men, though. And in the case of Sweden, specifically, IQ and fertility were positively correlated for men who were born in the postwar period.
https://royalsocietypublishing.org/doi/10.1098/rspb.2019.035...
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https://royalsocietypublishing.org/doi/10.1098/rspb.2019.035...