近年来,湖南省盐业公司经销的“加碘精盐”充斥市场,使人买不到纯白盐,这个问题不能不引起人们的注意。因为: 第一、“加碘食盐”对大多数人来说是有害无益的。碘和甲状腺球蛋白是合成甲状腺激素所必需的原料。人体内缺碘会造成甲状腺肿大(俗称大脖子病),而碘过多,可能导致甲状腺功能亢进.因此,适量的甲状腺激素是攸关人体内的物质代谢和生长发育的大问题。所以,人体内既不能缺碘,也不可过量。碘从何来?在绝大部分地区,只要 In recent years, Hunan Salt Company distribution of “iodized salt” flooding the market, people can not buy pure white salt, this issue can not but cause for people’s attention. Because: First, “iodized salt” is harmful to most people. Iodine and thyroglobulin are the necessary starting materials for the synthesis of thyroid hormones. Iodine in the human body can cause goiter, but too much iodine may lead to hyperthyroidism.Therefore, the right amount of thyroid hormone is a big issue related to the material metabolism and growth in the human body. Therefore, neither the body can be iodine deficiency, nor excessive. Where is iodine? In most areas, as long as