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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 Minor test (also known as Minor's test, the starch–iodine test, and the iodine–starch test), described by Victor Minor in 1928, [1] is a qualitative medical test that is used to evaluate sudomotor function (perspiration or sweating).
A national program with iodized salt started in 1992. A national survey of 1990 revealed the prevalence of iodine deficiency to be 20-80% in different parts of Iran indicating a major public health problem. Central provinces, far from the sea, had the highest prevalence of iodine deficiency. The national salt enrichment program was very successful.
Try this experiment at home with the kids to introduce them to the basic tenet of physics -- kinetics! In this week’s episode of Experimental , take your physics smarts to the next level ...
Wrong timing of iodine use may even increase the risk by triggering the Plummer effect. [ 10 ] The Plummer effect is, however, helpful in the management of thyrotoxicosis, where the usage of Lugol’s solution helps to limit the release of thyroid hormones into the bloodstream.
The Wolff–Chaikoff effect [1] is a presumed reduction in thyroid hormone levels caused by ingestion of a large amount of iodine. [ 2 ] It was discovered by Drs. Jan Wolff and Israel Lyon Chaikoff at the University of California, Berkeley : in 1948, they reported that injection of iodine in rats almost completely inhibited organification ...
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 ...
The RAIU test is a reliable measurement when using a dedicated probe with a reproducibility of 1 percent and a 95%-least-significant-change of 3 percent. [3] The normal uptake is between 15 and 25 percent, but this may be forced down if, in the meantime, the patient has eaten foods high in iodine, such as dairy products and seafood. [4]