The introduction of iodized salt in the 1920s dramatically reduced rates of _____ in the United States.

Name: The introduction of iodized salt in the 1920s dramatically reduced rates of _____ in the United States.
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Iodine is necessary for the production of thyroid hormones, and a deficiency in iodine can lead to goiter, an enlargement of the thyroid gland. The introduction of iodized salt provided a simple and effective way of addressing iodine deficiency and reducing rates of goiter in the U.S.

The Introduction of Iodized Salt in the 1920s Dramatically Reduced