Iodine is needed for thyroid gland to work normally; used in antiseptics and in treating goiter and cretinism. According to Health World Organization, nearly 30% of worldwide populations are living in the deficiency of iodine conditions. We may say the deficient iodine become much more universal and widespread all over the world now.
Iodine is material for the synthetic hormones of thyroid glands, which situated at the base of the neck. Under the influence of thyroid stimulating hormone (TSH) released from the anterior pituitary gland, the thyroid secretes the hormone thyroxine (T4) into the bloodstream; it is essential for normal growth and development in children and normal metabolic rates in adults. Thyroxine (T4) and triodothyronine (T3) are the two principal hormones secreted by the thyroid gland to regulate metabolism.
NO !!
Iodised salt
KFC use fine iodised sodium chloride.
Iodised salt is recommended to avoid idiocy.See this link: http://en.wikipedia.org/wiki/Iodised_salt.
Iodised salt (sodium chloride) contain iodine (as potassium/sodium iodide or potassium/sodium iodate). The concentration of iodine is 20 +/- 5 mg/kg. Iodised salt is recommended to avoid idiocy.
Iodised table salt contain sodium chloride, potassium iodide (or iodate) and anticaking substances.
Thankfully it is now very easy to get non-iodised salt at local grocery chains. Brands like Kroger, Harveys, and Publix all have store brand non-iodised salt. Lawreys and Morton also sell a non-iodised salt on their website.
waitrose or ocado
The healthier salt is iodised; but the sea salt can be also iodised.
Some salts as microcrystals can increase the precipitations as rain.
ammonium salts; nitrate salts.
The cause is the irrational use of fertilizers.