Iodine fortification of foods and condiments, other than salt. Since iodine is released from the body through the urine, the best way to determine iodine deficiency across a large population is to measure the amounts of iodine in urine samples. From 2838 to 2698 bc, china had made effort to control endemic goiter. This chapter provides a global overview of the disorders caused by iodine deficiency. Micronutrient malnutrition affects approximately 2 billion people worldwide. Iodine deficiency is a lack of the trace element iodine, an essential nutrient in the diet. When left untreated, iodine deficiency can lead to severe hypothyroidism. Read online elimination of iodine deficiency disorders in southeast asia book pdf free download link book now. Iodine deficiency and hypothyroidism from voluntary diet.
The term iodine deficiency disorders idd is now used to denote all the effects of iodine deficiency on growth and development, particularly brain development, that can be prevented by correction of iodine deficiency. The adverse consequences of iodine deficiency lead to a wide spectrum of problems ranging from abortion and still birth to mental and physical retardation and deafness, which collectively known as iodine deficiency disorders idds. Iodine deficiency and thyroid disorders request pdf. Iodine deficiency in zhejiang pregnant women in the. Hetzel in 1983, the term iodine deficiency disorders idds. Special emphasis will be put on recent developments such as the role of iodine deficiency in the development of brain damage and mental retardation, assessment of the iodine status of a population and current worldwide epidemiological data, strategies for control and monitoring of the iodine deficiency. Iodine deficiency is responsible for a number of adverse effects on human health known as iodine deficiency disorders idd, the most common of which worldwide are goiter and hypothyroidism. Idd is used to define a group of diseases resulting from a relative loss of iodine in the diet, including multiple defects. Idd is the most common public health problem worldwide, with approximately 2 billion population affected. Iodine deficiency disorders idd constitute significant public health problems in parts of the world with poor iodine nutrition, but have been eradicated in north. Iodine deficiency has many adverse effects on growth and development. Iodine deficiency disorders refer to a spectrum of health consequences resulting from inadequate intake of iodine.
The main factor responsible for iodine deficiency is a low dietary supply of iodine 1. Iodine status, and knowledge about iodine deficiency. Iodine deficiency disorders and their elimination ajlobby. Different vitamins belong to various chemical classes and it is difficult to define them on the basis of structure. A free powerpoint ppt presentation displayed as a flash slide show on id. Goiter see figures 12, page 21 the term goiter means a thyroid gland that is bigger than normal. Pdf on oct 31, 2015, kavitha menon and others published iodine deficiency disorders find, read and cite all the research you need on. Mild iodine deficiency may still affect some people in the uk.
Jan 31, 2017 elimination of iodine deficiency disorders from the americas is a public health triumph, but complacency should be avoided, and national governments need to be reminded that iodine deficiency disorders will recur if iodised salt programmes falter. View iodine deficiency disorders research papers on academia. Iodine deficiency disorders iodine is an essential component in thyroid hormone production thyroid hormone regulates basic metabolism. Despite significant improvements in iodine status of populations worldwide, iodine deficiency continues to be the primary cause of preventable mental retardation affecting almost 2 billion people. Iodine deficiency disorders and their elimination elizabeth. Iodine deficiency can impair human health severely and cause iodine deficiency disorders idd, including endemic goiter, endemic cretinism, endemic subclinical cretinism, and so on. Oct 04, 2008 iodine deficiency has many adverse effects on growth and development. Iodine is an essential micronutrient and an integral component of the thyroid hormones, which are required for normal growth and development. It was estimated to be the leading cause of preventable mental retardation around the world. Iodine deficiency disorders research papers academia.
Oct 24, 2017 find vitamin deficiency diseases chart pdf for your study, vitamins are very important for our health, but its deficiency causes specific diseases. Research on iodine deficiency and goiter in the 19th and. Iodine deficiency disorders in the iodinereplete environment. However, iodine deficiency is still a widespread problem in many countries. Assessment of iodine deficiency disorders and monitoring their. Elimination of iodine deficiency disorders from the americas. All books are in clear copy here, and all files are secure so dont worry about it. Iodine deficiency is defined as a median urinary iodine concentration less than 100. The term iodine deficiency disorders refers to all of the consequences of iodine deficiency, which depend on its severity and the age of the affected subject.
Request pdf iodine deficiency and thyroid disorders iodine deficiency early in life impairs cognition and growth, but iodine status is also a key determinant of thyroid disorders in adults. The organization and presentation of this guide have benefited enormously from the patient advice and criticism of many colleagues in the international council for the control of iodine deficiency disorders iccidd, particularly p. Council for control of iodine deficiency disorders concerning the legal status of any. People with iodine deficiency have goiters because they do not make enough thyroid hormone. In the past, the term goitre has been used for many years to describe the effects of iodine deficiency.
This changing view allowed iodine deficiency and goiter to be repositioned in the development perspective. Among children, iodine deficiency is the main cause of potentially preventable deficits of central nervous system development and impairment of cognitive function, as well as goitre and hypothyroidism in. Iodine deficiency has multiple adverse effects in humans, termed iodine deficiency disorders, due to inadequate thyroid hormone production. Continued national iodine monitoring is needed with more emphasis on population subgroups that are most susceptible to iodine deficiency disorders. Iodine is a dark violet nonmetallic element that belongs to a group of halogens but is less reactive than the other halogens. There has been a worldwide campaign to prevent iodine deficiency by using salt containing added iodine. Mar 22, 2020 download elimination of iodine deficiency disorders in southeast asia book pdf free download link or read online here in pdf. Of iodine deficiency disorders the international council for control of iodine deficiency disorders iccidd is a nonprofit, nongovernmental organization dedicated to sustained optimal iodine nutrition and the elimination of iodine deficiency throughout the world.
It may result in metabolic problems such as goiter, sometimes as an endemic goiter as well as cretinism due to untreated congenital hypothyroidism, which results in developmental delays and other health problems. Wia position paper on sustainable prevention of iodine deficiency disorders in europe joint position paper on sustainable prevention of iodine deficiency disorders in europe. A lack of iodine in the diet in pregnancy may result in iodine deficiency disorders idd. These effects are due to inadequate production of thyroid hormone and are termed iodine deficiency disorders.
Elimination of iodine deficiency disorders in southeast asia. Iodine and iodine deficiency disorders present knowledge in. Iodine deficiency diseases are a group of diseases that are or can be caused by the lack of iodine in the body. The who global database on iodine deficiency disorders. Any conditioneg, cretinism and brain damage, goiter, or hypothyroidism, attributable to iodine deficiency and corrected by adequate dietary iodine. Iodine deficiency an overview sciencedirect topics. The effects of iodine deficiency on growth and development, called the iodine deficiency disorders idds, comprise goiter enlarged thyroid gland, stillbirths and miscarriages, neonatal and juvenile thyroid deficiency, dwarfism, mental defects, deaf mutism, and spastic weakness and paralysis, as well as lesser degrees of loss of physical and. Iodine deficiency in zhejiang pregnant women in the context. The iodine deficiency disorders idd encompass a spectrum of adverse health effects including goiter, cretinism, hypothyroidism, growth retardation, and increased pregnancy loss and infant mortality. Most preventable cause of mental retardation in the world. Ppt iodine deficiency disorders powerpoint presentation. Jul 29, 2018 a majority of previous studies has investigated iodine status among children, and there is limited data on female adolescents who are more exposed to consequences of iodine deficiency id in their nearfuture pregnancies.
The iodine deficiency disorders endotext ncbi bookshelf. The iodine deficiency disorders idd encompass a spectrum of adverse health effects including goiter, cretinism, hypothyroidism, growth retardation, and. Sep 22, 2015 researchers discover link between cancer, thyroid disorders and iodine deficiency by dailyhealthpost editorial september 22, 2015 a recent study discovered unusually high levels of a specific thyroid hormone, as well as thyroid peroxidase and thyroglobulin antibodies, in breast cancer patients, implying a connection between thyroid disorders. This results in the disease states collectively known as iodine deficiency disorders idd. When severe iodine deficiency occurs during pregnancy, it is associated with fetal hypothyroidism, mental impairment, and increased neonatal and infant mortality. Who library cataloguinginpublication data guideline. Iodine deficiency occurs among popula tions living in areas where the soil is. Approximately 30% of the worlds population remains at risk for iodine deficiency. Aug 31, 2012 iodine deficiency disorders refer to a spectrum of health consequences resulting from inadequate intake of iodine. Iodine deficiency is diagnosed across populations and not specifically in individuals. Introduction of iodised salt to regions of chronic iodine deficiency disorders might transiently increase the proportion of thyroid disorders, but overall the small. Iodine, iodine deficiency, and iodine deficiency disorders.
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