MattheJ1 t1_irfvtx1 wrote on October 7, 2022 at 7:52 PM Reply to comment by adamant2009 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 Measurable intelligence has been steadily rising since the 50s, and arguably longer. It's hard to say how much of that is from salt. Permalink Parent 7
MattheJ1 t1_irfvtx1 wrote
Reply to comment by adamant2009 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
Measurable intelligence has been steadily rising since the 50s, and arguably longer. It's hard to say how much of that is from salt.