improtnace of consuming iodized salt.
Iodised salt is table salt mixed with a minute amount of potassium iodide, sodium iodide or iodate, is used to help reduce the chance of iodine deficiency in humans. Iodine deficiency commonly leads to thyroid gland problems, specifically endemic goiter. (source wikipedia)
There has been a great debate regarding the necessity of iodised salt in india after govt of india banned sale of non-iodised salt and then lifted the ban. The argument raised by the protestors was that Indians have sufficient intake of iodine otherwise and excess iodine would cause serious health problems.