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Nanjing Is Still in the State of “Iodine Deficiency”

May 15th is the 25th Iodine Deficiency Prevention Day in China. Provincial and Municipal Commission of Health and Family Planning as well as Provincial and Municipal Center for Disease Control and Prevention introduced that most of regions in Jiangsu including Nanjing are still in a state of iodine deficiency and the increased detectable rate of thyroid disease in recent years has no direct link to iodine intake.

Wang Peihua, deputy director of Institute for Endemic Disease Control said that through the analysis of the data at home and abroad, whether salt iodization is carried out in your country, or whether your country’s iodine nutrition rises, keeps stable or declines, the morbidity of the thyroid disease is rising. At present, there is no direct evidence showing that the increased intake of edible iodized salt or iodine is associated with thyroid disease.

According to introduction, except for Fengxian, Peixian and Suining and other areas of high water iodine, most of regions in Jiangsu are still in the state of iodine deficiency at present. Even though in coastal cities with relatively abundant marine products, there is no iodine excess problem. According to the survey of four coastal provinces in China in 2009, 80% of the iodine nutrition in coastal areas is derived from iodized salt.

On May 15th, the Handbook of Iodine Supplementation for Chinese Residents was officially released. Handbook points out that the vast majority of regions in China are iodine deficient, and the residents get about 10 micrograms of iodine from drinking water per day; The average daily intake of iodine from food for general population is about 25 to 50 micrograms; If the iodized food is not specially added, the iodine intake from diet for general population cannot meet the needs of the human body. According to the standard in Edible Salt Iodine Content, if you ingest 5 grams of iodized salt per day, you can get 100 micrograms of iodine. And plus the iodine from water and food, the intake of iodine for general population can be reached. Therefore, except for the residents living in areas with high water iodine, other residents should eat iodized salt.

If supplementing iodine through ingesting iodized salt, citizens should buy qualified salt. Jiangsu has been listed as the first batch of pilot area of national salt electronic traceability system, and each packet of qualified salt products is covered with QR code which can be traced by scanning.


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