> Obviously they did not have iodized salt, like us, to provide the required iodine. Some places still (mostly) don’t. A notable exception (I’m sure there are

> Obviously they did not have iodized salt, like us, to provide the required iodine. Some places still (mostly) don’t. A notable exception (I’m sure there are others but not as well reported) is Israel where iodized salt isn’t a regulatory requirement and not very popular, with (predictable) widespread deficiencies: https://ijhpr.biomedcentral.com/articles/10.1186/s13584-020-00367-4 https://ijhpr.biomedcentral.com/articles/10.1186/s13584-020-... https://www.haaretz.com/science-and-health/2017-03-27/ty-article/study-israelis-have-among-worlds-worst-iodine-deficiency/0000017f-e116-d9aa-afff-f95e8c5c0000 https://www.haaretz.com/science-and-health/2017-03-27/ty-art... https://www.sciencedaily.com/releases/2017/03/170327083438.htm https://www.sciencedaily.com/releases/2017/03/170327083438.h...