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国内外多年防治实践证明,碘盐是防治缺碘性地甲病和预防克汀病的一项根本措施,但碘盐的浓度各国不一,多则万分之一,少则20万分之一,联合国卫生组织推荐的剂量为10万分之一。国内各省区标准各异,从万分之一到5万分之一不等。由于环境缺碘程度不同,对生活习惯食盐量多少不等,不要求、也不可能规定一个统一的标准让各地去实行。因此,1980年在河南辉县召开的地甲病克汀病学术交流和科研协作会议上明确提出,各省区都要结合本省区的实际情况研究制定出适于自己省区的合理的碘盐浓度。
Prevention and treatment for many years both at home and abroad have proved that iodized salt is a fundamental measure for the prevention and treatment of iodine deficiency and cretinism. However, the concentration of iodized salt varies from country to country, from one to ten thousandth, from 200,000 to 200,000 First, the recommended dosage of the United Nations WHO is one hundred thousandth. Domestic provinces and autonomous regions have different standards, ranging from 1/10000 to 1/50000. Due to the different levels of iodine deficiency in the environment, the amount of salt in the living habitat varies from place to place. It is also not possible to stipulate a uniform standard for local implementation. Therefore, in 1980, held in Huixian County, Henan meticulous cretinism academic exchanges and scientific collaboration meeting made it clear that the provinces and autonomous regions should be based on the actual situation in the province to study and formulate a suitable for their provinces and autonomous regions, a reasonable concentration of iodized salt .