A 2017 Study Found that the Introduction of Iodized Salt in 1924 Raised the IQ for a Quarter of the Population Most Deficient in Iodine.
Table salt in the United States was iodized in the early 1900s to ensure that all Americans consumed enough iodine to function properly. According to recent research, adding iodine to salt improved health and raised the average IQ. But how did iodize salt help improve IQ? According to a 2017 study, the introduction of iodized […]