AN IODINE SURVEY OF NEBRASKA

Abstract
Nebraska, while far distant from the sea coast, has usually not been listed as belonging to the goiter belt. Occasional analyses of the water supply in the Kansas-Nebraska region have indicated the presence of a fair amount of iodine in the drinking water supposedly due to an ancient Permian sea whose salt residues contain an appreciable amount of iodine. It would appear that the prevalence of simple goiter is inversely proportional to the amount of iodine in the drinking water supply, and, in general, goiter seems to be characteristic of the geologically older regions where the iodine has been leached out of the soil. McClendon and Hathaway,1 in mapping the goiter areas of the United States, show the nongoiter belt jutting inland to include Nebraska. McClendon1 has also determined the iodine content of foodstuffs from goitrous and nongoitrous areas in the United States. In central Europe, Fellenberg2

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