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若母亲在妊娠期或哺乳期摄碘不足,势必会影响婴儿脑细胞的正常分化和发育,导致脑细胞的数量落后于正常人,影响日后智力的发育与提高。有关的调查也证实,在不同程度缺碘地区的儿童,智商水平有显著差异。 碘缺乏在我国涉及的人群很广。据联合国统计,全球有10亿人口生活在缺碘地区,而中国即占2.5亿。我国有29个省、市、自治区均程度不同地存在碘缺乏的危害,尤以内陆省份和山区为重。在严重缺碘地区,人群智力水平普遍较低。据卫生部和国家残联统计,我国现有智力残疾人1017万,其中80％是因缺碘造成的。如不积极防治,还将以每年100万智残儿的速度猛增。有鉴于此,我国政府对碘缺乏防治问题十分重视,1990年李鹏总理在联合国世界儿童问题首脑会议上承诺,到2000年我国实现
If the mother during pregnancy or breast-feeding inadequate iodine, will inevitably affect the normal differentiation and development of brain cells in infants, leading to the number of brain cells lagging behind normal, affecting the development and improvement of intelligence in the future. Relevant surveys also confirmed that there were significant differences in IQ among children with iodine deficiency in varying degrees. Iodine deficiency in China involves a wide range of people. According to the UN statistics, there are 1 billion people in the world living in areas lacking iodine, while China accounts for 250 million. In our country, 29 provinces, municipalities and autonomous regions all suffer from iodine deficiency in varying degrees, especially inland provinces and mountainous areas. In areas with severe iodine deficiency, the general population has low intelligence. According to statistics from the Ministry of Health and the National Federation of Disabled Persons, there are 10,170,000 people with intellectual disabilities in our country, of which 80% are caused by iodine deficiency. Without active prevention and control, it will also surge at the rate of 1 million intellectual disabilities each year. In view of this, our government attaches great importance to the prevention and control of iodine deficiency. In 1990, Premier Li Peng promised at the United Nations World Summit for Children that by the year 2000 China’s realization