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Review
. 2007 Sep;17(9):823-7.
doi: 10.1089/thy.2007.0102.

National trends in iodine nutrition: is everyone getting enough?

Elizabeth N Pearce  1
Affiliations
Review

National trends in iodine nutrition: is everyone getting enough?

Elizabeth N Pearce. Thyroid. 2007 Sep.

Abstract

Iodine deficiency is an important public health problem worldwide. Until the 1920s, endemic iodine deficiency disorders were prevalent in the Great Lakes, Appalachian, and Northwestern regions of the United States. Iodized salt was responsible for eliminating endemic goiter in the United States and remains the mainstay of iodine deficiency disorder eradication efforts worldwide. Although urinary iodine values have decreased by 50% since the early 1970s, the United States remains iodine sufficient. However, U.S. iodine nutrition, particularly among women of childbearing age, may remain an area worthy of public health concern. There is a wide amount of variation in the iodine content of some common foods, and the iodine content of foods is not well reflected by package labeling. There needs to be increased awareness of the importance of adequate iodine nutrition, particularly during pregnancy and lactation, among the U.S. public.

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