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Iodine deficiency is a lack of the trace element iodine, an essential nutrient in the diet.It may result in metabolic problems such as goiter, sometimes as an endemic goiter as well as congenital iodine deficiency syndrome due to untreated congenital hypothyroidism, which results in developmental delays and other health problems.
The addition of iodine to table salt (so-called iodized salt) has largely eliminated the most severe consequences of iodine deficiency in wealthier nations, but deficiency remains a serious public health problem in the developing world. [60]
“People have forgotten why there's iodine in salt,” said Dr. Elizabeth Pearce of Boston Medical Center. She is a leader in the Iodine Global Network, a nongovernmental agency working to eliminate iodine deficiency disorders. She noted a reported 50% drop in U.S. iodine levels in surveyed Americans between the 1970s and the 1990s.
Iodine deficiency is the most common preventable cause of neonatal and childhood brain damage worldwide. [11] Although iodine is found in many foods, it is not universally present in all soils in adequate amounts. Most iodine, in iodide form, is in the oceans, where the iodide ions are reduced to elemental iodine, which then enters the ...
Worldwide, iodine deficiency affects about two billion people and is the leading preventable cause of intellectual and developmental disabilities. [1] [2] Deficiency also causes thyroid gland problems, including endemic goitre. In many countries, iodine deficiency is a major public health problem that can be cheaply addressed by purposely ...
“Iodine is also in fish and dairy products, but the main source of iodine in the diet is iodized salt. Without enough iodine, you may experience goiters or thyroid issues ,” Rizzo says.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 January 2025. This article is about the chemical element. For other uses, see Iodine (disambiguation). Chemical element with atomic number 53 (I) Iodine, 53 I Iodine Pronunciation / ˈ aɪ ə d aɪ n, - d ɪ n, - d iː n / (EYE -ə-dyne, -din, -deen) Appearance lustrous metallic gray solid, black ...
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