RunningNumbers t1_irh2vwo wrote
Reply to comment by SaltedGreenMilk1987 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
You have to add it. Those fancy salts do not usually have added iodine. It says so on the labels.
So if you like goiters…
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