Dalmah t1_irlcugk wrote
Reply to comment by huunhuurtuu in TIL A 2017 study found that the introduction of iodized salt in 1924 raised the IQ for the one-quarter of the population most deficient in iodine. by kstinfo
The brain being smaller doesn't neccesarily mean we are getting stupider, the correlation between brain size and intelligence is weak.
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