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In order to reverse this problem iodine is added to salt. This is the case in the USA and was the case in Australia (where I live) until recently.
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Morton® Plain Table Salt contains neither iodine nor dextrose.
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Whenever I buy salt (or even get it in little packets at a restaurant), it says that it is "iodized". What is "iodized", and why? I have a box of salt in the kitchen, and it says, "Iodized Salt*", and then at the bottom it says, "*This salt supplies iodine, a necessary nutrient".
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However, where natural levels of iodine in the soil are low and the iodine is not taken up by vegetables, iodine added to salt provides the small but...
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Why is iodine added to salt?; The health of our Thyroid gland is dependant upon iodine which occurs naturally in our foods via the soil foods are grown in. Back in the 1920's there was a region of the U.S. referred to as the "goiter" belt.
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The amount of iodine added to table salt was increased in 1938 and remains at a similar level today. This is believed to have contributed to a dramatic reduction in goitre in the middle of last century.
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New Zealand soils are relatively iodine deficient. Therefore, NZ produced foods and water are typically iodine deficient. So iodine was added to salt to...
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Iodine is a mineral that is added to table salt and found in a variety of foods. It is important for good health and, fortunately, our bodies require it in minute quantities. Iodine is part of a hormone, thyroxin, which is responsible for maintaining a person's metabolic rate.
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The overall goal of the study was to determine the range and timing of iodine losses that may be expected under typical conditions when iodine is added to salt in the form of iodate, and thus to define the most cost-effective means of controlling or compensating for these losses, to ensure that populations at risk...
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In 1924, iodine was first added to table salt as a preventative measure, and by 1940, the practice was in general consumer use. Using iodized salt has, no doubt, been effective: it contains about 76 mcg. of iodine per gram.
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