Prevention and control of iodine deficiency disorders.
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چکیده
1. Although the importance of iodine for preventing endemic goitre has been recognized for more than a century, it has only been during the past 30 years that a wide range of harmful effects of iodine deficiency has been described. While cretinism, a condition characterized by severe brain damage occurring in very early life, is both the most well known and the most serious of these effects, of greater significance are the more subtle degrees of mental impairment which occur in apparently normal children in iodine-deficient areas. The consequences are pervasive: they include poor school performance, reduced intellectual ability and impaired work capacity. Communities in remote mountainous regions are usually considered to be most at risk of iodine deficiency. However, it has been increasingly identified in other areas after the concept of endemic goitre was extended by the development of new indicators of iodine deficiency, in addition to goitre prevalence. These include measurement of iodine levels in urine and of thyroid-related hormones in blood, and assessment of thyroid size using ultrasonography.
منابع مشابه
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ورودعنوان ژورنال:
- Lancet
دوره 2 8504 شماره
صفحات -
تاریخ انتشار 1986