The body is "the number of suitable antithyroid"

Iodine is an essential trace element, the element of "intelligence".

Iodized salt is added a small amount of potassium iodide (or potassium iodate) of edible salt, is used primarily to supplement the iodine to prevent thyroid disease. The study found that the human body 2/3 of iodine in the thyroid, the main physiological function of iodine by the thyroid hormone is complete.