It is very important to learn about the correct use of iodine, otherwise you could either be deficient in it, or you could even overdose on it. The thyroid gland is the only gland that uses iodine to make its hormones. The thyroid could suffer either way if there is not enough iodine, or if there is too much coming in. Even if you overdose in iodine you could develop hypothyroidism or hyperthyroidism. The video discusses the different food sources, such as fish (if you are not vegetarian) and da