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Topic: Iodine

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Iodine is vital for good thyroid function, which in turn is essential for health.
Iodine is typically undesirably low (about 50 micrograms/day compared to a recommended level of about 150 micrograms per day) in UK vegan diets unless supplements, iodine rich seaweeds or foods containing such seaweeds (e.g.
Excessive iodine has a complex disruptive effect on the thyroid and may cause either hypothyroidism or hyperthyroidism, in susceptible individuals, as well as increasing the risk of thyroid cancer.
www.vegansociety.com /html/food/nutrition/iodine.php   (929 words)

 Potassium Iodide Anti-Radiation Pill FAQ. Iodine pills, tablets, sources.
Iodine is normally used in doses of 8 PPM to treat clear water for a 10 minute contact time.
To attempt to achieve a thyroid-blocking dose of nearly 100 mg of iodine (the iodine content of a 130 mg KI tablet) would thus require exceeding that proven safe level by a factor of at least four to seven times for an 180 lb adult.
Ingesting elemental free iodine, such as 'tincture of iodine', in quantities sufficient to attempt thyroid-blocking in a nuclear emergency is not a safe, nor an effective, alternative.
www.ki4u.com   (12645 words)

  ATSDR - ToxFAQs™: Iodine
Iodine is a naturally occurring element found in sea water and in certain rocks and sediments.
Iodine is used as a disinfectant for cleaning surfaces and storage containers and is used in skin soaps and bandages, and for purifying water.
Iodine is also added to some table salt to ensure that all people in the United States have enough iodine in their diet.
www.atsdr.cdc.gov /tfacts158.html   (1209 words)

  Iodine - Wikipedia, the free encyclopedia
Iodine is primarily used in medicine, photography and in dyes.
Iodine is a dark-gray/purple-fl solid that sublimates at standard temperatures into a purple-pink gas that has an irritating odor.
Iodine compounds are important in the field of organic chemistry and are very useful in medicine.
en.wikipedia.org /wiki/Iodine   (1415 words)

 Iodine - MSN Encarta
Iodine is a relatively rare element, ranking about 62nd in abundance on Earth, but its compounds are widespread in seawater, soil, and rocks.
Iodine is obtained from brines and from Chilean nitrate ores in which it occurs as an impurity.
Iodine is medicinally very important because it is an essential trace element, present in a hormone of the thyroid gland that is involved in growth-controlling and other metabolic functions.
encarta.msn.com /encyclopedia_761552223/Iodine.html   (462 words)

 Linus Pauling Institute at Oregon State University
Iodine, a non-metallic trace element, is required by humans for the synthesis of thyroid hormones.
Iodine deficient women who are breastfeeding may not be able to provide sufficient iodine to their infants who are particularly vulnerable to the effects of iodine deficiency (see Newborns and infants) (1).
Individuals with iodine deficiency, nodular goiter, or autoimmune thyroid disease may be sensitive to intake levels considered safe for the general population and may not be protected by the UL for iodine intake (5).
lpi.oregonstate.edu /infocenter/minerals/iodine   (3086 words)

 Iodine   (Site not responding. Last check: )
Iodine is a bluish-fl, lustrous solid, volatizing at ordinary temperatures into a blue-violet gas with an irritating odor; it forms compounds with many elements, but is less active than the other halogens, which displace it from iodides.
Lack of iodine is the cause of goiter.
Iodides, and thyroxin which contains iodine, are used internally in medicine, and as a solution of KI and iodine in alcohol is used for external wounds.
www.scescape.net /~woods/elements/iodine.html   (274 words)

 Iodine (I) - Chemical properties, Health and Environmental effects
Iodine is used in medical treatment as tincture and iodioform, it is employed in the preparation of certain drugs and in the manufacture of some printing inks and dyes.
Iodine is extracted from natural brines and oil brines, which have up to 100 ppm of the element or form chilean nitrate deposits.
Iodine 131 is one of the radionuclides involved in atmospheric testing of nuclear weapons, which began in 1945, with a US test, and ended in 1980 with a Chinese test.
www.lenntech.com /Periodic-chart-elements/I-en.htm   (766 words)

Iodine, consumed principally as its iodide salts, is an essential trace element which is vital to the function of the thyroid gland.
Iodine is present in low amounts in the earth's crust and thus in its soil.
Iodine is used therapeutically for the treatment of certain hyperthyroid conditions and thyroid storm.
www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/iod_0146.shtml   (2331 words)

Studies relating to Iodine were the first that demonstrated to scientists the importance of soil content in areas where food is grown.
Through careful study, populations that were deficient in Iodine, and had higher rates of some cancers, indemic goiter, and cretenism, were found to be living in areas where the land had never been covered with ocean.
Typically, the iodine concentration is from 30 to 100 µg per g of salt, levels that take into consideration anticipated losses during transport and storage.
www.tjclarkminerals.com /minerals/iodine.htm   (734 words)

 EPA - Iodine - Information Home (EPA's Radiation Protection Program: Information)
Some isotopes of iodine, such as I-123 and I-124 are used in medical imaging and treatment, but are generally not a problem in the environment because they have very short half-lives.
Iodines are among the most widely used radionuclides, mostly in the medical field.
Since iodine is concentrated in the thyroid gland, a radioassay of the thyroid can determine the level of exposure to many of its isotopes.
www.epa.gov /radiation/radionuclides/iodine.htm   (1635 words)

Diagnosis was confirmed in 5 of 8 patients with increased urinary iodine concentrations (3436 to > 6000 nmol/24 h), and in 3 of 8 patients with a low tracer uptake in thyroid scintigraphy (1 to 4%).
Iodine also reduces thyroid cellularity and vascularity and therefore is used in the preparation of the patient for thyroidectomy.
Iodine supplementation is followed by an increased prevalence of occult papillary carcinoma of the thyroid discovered at autopsy but the prognosis of thyroid cancer is improved due to a shift towards differentiated forms of thyroid cancer that are diagnosed at earlier stages.
www.ithyroid.com /iodine.htm   (7833 words)

Iodine is a trace mineral produced by the body that is essential for normal growth and development.
Today, iodine deficiencies in the United States and other developed countries are rare because table salt is supplemented with iodine and crops in developed countries are generally grown in iodine-rich soil.
Iodine is applied to the surface of the skin to prevent and treat infections associated with wounds and burns.
www.umm.edu /altmed/ConsSupplements/Iodinecs.html   (1221 words)

Iodine and the thyroid gland with it's secretion are there to guard the brain by neutralizing toxins that may pass up into the brain.
When iodine is not available, iron and calcium are improperly metabolized and oxygenation in the brain and glands is reduced.
Drug iodine and iodine added to drinking water are more likely to be harmful as they are unorganized forms which are not assimilative to the body.
cnri.edu /irisedusample/Iodine.htm   (293 words)

Iodine is a component of the thyroid hormones triiodothyronine and thyroxin, which determine the metabolic rate of the body.
Iodine deficiency leads to various illnesses which are known as iodine deficiency disorders and include hypothyroidism, goiter and cretinism.
Iodine used topically as a douche is effective against a wide range of organisms including candida and chlamydia.
www.jctonic.com /include/minerals/iodine.htm   (1279 words)

 Product Information - Iodine   (Site not responding. Last check: )
Iodine is only slightly soluble in water, but very soluble in many common organic solvents and aqueous iodine solutions.
Iodine is chemically active like chlorine and bromine, but its reactions are usually less violent.
On the basis of local effects identified by these animal studies, iodine is classified as extremely irritating (corrosive) to the eyes and severely irritating (but not corrosive) to the skin.
www.iodine.com /iodine.htm   (559 words)

 ENIVA: Iodine   (Site not responding. Last check: )
Iodine is an element that is crucial for the health of the thyroid gland.
Eighty percent of all iodine is found in the thyroid gland in the neck.
Konrady A. [T3-thyrotoxicosis: incidence, significance and correlation with iodine intake].
www.eniva.com /products/mfl_iodine.html   (943 words)

Iodine, a halogen, occurs sparingly in the form of iodides in sea water from which it is assimilated by seaweeds, in Chilean saltpeter and nitrate-bearing earth, known as caliche in brines from old sea deposits, and in brackish waters from oil and salt wells.
Iodine is a bluish-fl, lustrous solid, volatilizing at ordinary temperatures into a blue-violet gas with an irritating odor; it forms compounds with many elements, but is less active than the other halogens, which displace it from iodides.
www.speclab.com /elements/iodine.htm   (945 words)

 Chemistry : Periodic Table : iodine : key information
Iodine compounds are important in organic chemistry and very useful in medicine and photography.
Lack of iodine is the cause of goitre (Derbyshire neck).
In this treatment, iodide is oxidized to iodine by the chlorine gas.
www.webelements.com /webelements/elements/text/I/key.html   (353 words)

 Iodine   (Site not responding. Last check: )
History- Iodine is a non-metallic element and is the heaviest element of the halogens.
Iodine was later classified as an element in 1815 by Joseph L. Gay-Lussac, another French chemist.
Iodine and iodine components are used in the purification process of water and can also serve as disinfectants.
www.k12.de.us /science/lettieri/pt/i/f99/iodine.htm   (614 words)

 International Council for the Control of Iodine Deficiency Disorders   (Site not responding. Last check: )
Iodine deficiency is the single most common cause of preventable mental retardation and brain damage in the world.
If present as potassium iodate, as in most countries, little iodine is lost during cooking, depending on how pure the salt is. Many people get most of their salt from processed foods, especially in developed countries, and commercial practices vary as to whether these contain iodine or not.
Iodine excess is undesirable, but its consequences are not nearly so severe as those of iodine deficiency, because the latter affects human development and can produce permanent brain damage.
indorgs.virginia.edu /iccidd/aboutidd.htm   (3238 words)

 WHO | Is it true that lack of iodine really causes brain damage?
It is particularly important that pregnant women receive enough iodine in their diet, as iodine is a key nutrient in the fetal development process, especially with respect to the brain.
Iodine deficiency during pregnancy not only results in brain damage to the fetus, but also in low birth weight, prematurity and increased perinatal and infant mortality.
In addition, iodine deficiency in children is responsible for disorders in physical and cognitive development, and hypothyroidism.
www.who.int /features/qa/17/en   (371 words)

 It's Elemental - The Element Iodine
Iodine is pronounced as EYE-eh-dine or as EYE-eh-din.
Iodine is part of thyroxin, a hormone produced by the thyroid gland that controls the body's rate of physical and mental development.
Iodine is used as a test for starch and turns a deep blue when it comes in contact with it.
education.jlab.org /itselemental/ele053.html   (214 words)

 Iodine-131 - Wikipedia, the free encyclopedia
Diagnostic tests exploit the mechanism of absorption of iodine by the normal cells of the thyroid gland.
As an example iodine-131 is one of the radioactive isotopes of iodine that can be used to test how well the thyroid gland is functioning.
This can be mitigated by taking iodine supplements (made with iodine not effected by the fallout), raising the total amount of iodine in the body and therefore reducing uptake end retention in tissues and lowering the relative proportion of radioactive iodine.
en.wikipedia.org /wiki/Iodine-131   (415 words)

 eMedicine - Iodine Deficiency : Article by Stephanie L Lee
Whether iodine deficiency causes an increased risk for thyroid cancer is unclear, but a higher proportion of more aggressive thyroid cancers (ie, follicular thyroid carcinoma) and an increased thyroid cancer mortality rate are found in areas where iodine deficiency is endemic.
Myxedematous cretinism is considered a result of iodine deficiency and hypothyroidism in the fetus during late pregnancy or in the neonatal period, resulting in mental retardation, short stature, goiter, and hypothyroidism (see Image 3).
Mental retardation as a result of iodine deficiency can be exaggerated in the setting of concomitant deficiencies of selenium or vitamin A. Postnatally, as infants and children are particularly sensitive to fluctuations in iodine intake, this population is at risk for poor mental and psychomotor development (predominantly in language and memory skills).
www.emedicine.com /med/topic1187.htm   (4328 words)

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