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opiate_lifer t1_irfrq40 wrote

Reply to comment by quokka70 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

FWIW I have definitely seen bags of table salt that had fluoride added.

https://dutchpatriot.wordpress.com/2009/02/16/fluoride-added-to-table-salt/

edit-Link only provided as example it happens, its a far right conspiracy blog so lol I am not endorsings its claims.

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