quokka70 t1_irflfat wrote
Reply to comment by DrEnter 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
I can't find anything about iodized water or fluoridated salt with a quick look on Wikipedia.
Lots of countries iodize salt: https://en.wikipedia.org/wiki/Iodised_salt#In_public_health_initiatives
The article on fluoride therapy doesn't mention table salt: https://en.wikipedia.org/wiki/Fluoride_therapy#Water_fluoridation
opiate_lifer t1_irfrq40 wrote
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.
quokka70 t1_irfsg59 wrote
Thanks!
DrEnter t1_irgcd8n wrote
Salt fluoridation: https://pubmed.ncbi.nlm.nih.gov/24308394/
The water thing is a couple of things that I think I was confusing. Iodine is a normal part of drinking water treatment (almost all municipal drinking water is iodized to some extent), but iodizing enough for supplementary reasons is mostly used in areas where iodizing other things is impractical or more difficult. Incidentally, iodized flour is also a thing sometimes used. https://awwa.onlinelibrary.wiley.com/doi/abs/10.1002/j.1551-8833.1927.tb12646.x and https://www.sciencedirect.com/science/article/pii/S0278691515000939
[deleted] t1_irgdy41 wrote
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