The Trace Minerals iodine is known for his crucial role in that it allows the body vital to the manufacture of thyroid hormones, but it is also important to the health of the immune system and for optimal functioning of the brain. It is generally believed by many authorities, that the lack of iodine must never seen in the West prosperous, although this problem affects millions throughout the world.
Some nutritionists say, however, that this conventional view is too optimistic, because the contents of all minerals in food is heavily dependent on mineral content of soil, from which food. The operation must therefore be that the persistence of-mineralization of farmland led to a reduction in the amount of iodine more food is consumed.
Fish and other seafood, but remains a relatively rich source, because these creatures of the ocean sea is to concentrate iodine in their flesh. If not often eaten in the west, seaweed or algae, is also an excellent source of iodine for this reason, and is easily accessible in the form of dietary supplements. Dairy products and meat varieties may also be a good source, especially where iodine is routinely added to feed for farm animals. But in those countries, including most of Western Europe, where animals are growth sectors grazing iodine depleted soils, levels are probably much lower.
So even in the West, including those who did not fish or seafood in their diet, and not with sea or iodised salt, it can become a real risk of deficiencies. In an effort to balance food for low iodine, iron ore has been systematically added to salt to the USA for many years. But the practice is not as Great Britain and other European countries, particularly those iodised physical or “sea salt” was launched more upscale alternative. The problem of insufficient food iodine has been reinforced on both sides of the Atlantic, but increasingly concerned about the possible negative health consequences, including hypertension, excessive salt. Many nutritionists, but believe that these fears are exaggerated and believe that such potential problems are much less serious than the consequences of iodine deficiency, and can be easily resolved down to the use of sodium salts have alternatives.
Iodine, however, can not in all cases, as a luxury. Its main function is the production of thyroid hormones essential; thyroxine, sometimes as T4, and tri-iodothyronine or T3. And how is well known that these hormones are critical for a good metabolic rate and release of energy from food, and an underactive thyroid is often the villain in the case of overweight, especially when the sudden Begin, and in case of difficulties during weight loss, even if as a result of a significant reduction programme. A healthy thyroid is also crucial for optimal functioning of the immune system.
But perhaps more importantly, lack of iodine is also known as a leading cause of preventable brain damage, a problem that the World Health Organization estimates that the effects of an amazing 50 million people worldwide. Unfortunately, many of these cases occur among children whose mother was insufficient iodine during pregnancy, which is a prerequisite for seriously retarded development of the brain known as hypothyroidism or innate ” cretinism. “Even where this type to avoid catastrophic consequences, lack of iodine in childhood can also lead to effects on brain development, which is too low, energy and motivation for learning , Placement and measurable IQ scores.
Since 2001, the Food and Nutrition Board of the U.S. Institute of Medicine (FNB) has imposed a Recommended Dietary Allowance for iodine 150 mcg of all people over 14, rising to 220 mcg for pregnant women and 290 mcg for breastfeeding. A little confusing, but excessive consumption of iodine is also in relation to a disturbance or enlargement of the thyroid, and ulcers in the mouth, headache and stomach vibrations, the FNB and advises Therefore an upper limit for daily consumption of iodine 1100 mcg for adults. Most people eat a diet conventional West are most likely that this level.
With the possible exception of pregnant women and nursing mothers, people in the west, use liberal amounts of iodised salt condiments are regular unlikely that other supplements. But many communications multi-mineral preparations contain iodine based on a reasonable number, usually in the form of potassium iodide, and this is perhaps not absolutely necessary, such additional doses do are not harmful and can be regarded as a useful insurance because, like all minerals necessary for the body, iodine best functions in the presence of sufficient supply of all others. And it is particularly in this regard that the possible impact lack of iodine may, by an intensification of selenium deficiency of iron or vitamin A.
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