Dr. John F. Thie, Chairman of the NCA Committee on Nutrition. Author and presenter on Iodine Deficiency – a menace in human nutrition Iodine deficiency, unfortunately, is not usually recognized in the human body until the appearance of simple goiter. Yet a deficiency of iodine is ubiquitous, more so than any other element, and if this lack is not overcome the patient cannot be expected to resume optimum health, regardless of what else is done for him. There should be, therefo