justroommatethings t1_irg0nqe wrote on October 7, 2022 at 8:29 PM Reply to comment by [deleted] 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 Canada has not banned fluoride in water. My city has a fluoridated water system, and as of 2017 (the last available report with census data), about 40% of the population lives in communities with fluoridated water. Permalink Parent 3
justroommatethings t1_irg0nqe wrote
Reply to comment by [deleted] 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
Canada has not banned fluoride in water. My city has a fluoridated water system, and as of 2017 (the last available report with census data), about 40% of the population lives in communities with fluoridated water.