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KMID : 0381020110440010082
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Korean Journal of Nutrition
2011 Volume.44 No. 1 p.82 ~ p.91
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Iodine Intake and Tolerable Upper Intake Level of Iodine for Koreans
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Lee Hyun-Sook
Min Hye-Sun
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Abstract
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The present study reviewed the effects of excess iodine intake on thyroid function and the incidence of thyroid disease and discussed the scientific basis for establishing a tolerable upper intake level (UL) of iodine for Koreans. ULs are defined as “the highest level of daily nutrient intake that is likely to pose no risk of adverse effects to almost all individuals in the general population.” Koreans consume excess iodine from seaweed, and iodine intake is strongly influenced by seaweed consumption. However, no dose-response data derived from subjects consuming excess iodine frequently but not continuously during a lifetime are available. Therefore, the Korean DRI committee set the iodine UL to reduce the risk of adverse health effects by excess iodine intake for Koreans with distinctive seaweed-eating habits.
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KEYWORD
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iodine excess, thyroid dysfunction, urinary iodine excretion, UL, Koreans
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