Abstract

No abstract available

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  • Studies of relationships between the polymorphism of COMT gene and plasma proteomic profiling and children’s intelligence in high fluoride areas

    Part I – Effect of high F drinking water on children’s IQ Objective: To investigate the relationships among the children’s serum F, urine F, thyroid hormone levels and children’s IQ in the high fluoride areas. Methods: We collected the samples of the drinking water, urine and blood and measured the F concentrations,

  • Effect of fluorine on thyroidal iodine metabolism in hyperthyroidism

    Prolonged administration of a daily dose of 5-10 mg. of fluoride to patients with hyperthyroidism may cause clinical improvement together with a significant fall in the level of plasma protein-bound iodine and a reduction in the basal metabolic rate. Studies with radioactive fluorine failed to demonstrate any important accumulation of

  • Effects of fluoride on development and growth of Rana chensinensis embryos and larvae

    The present study examined the adverse effects of fluoride exposure on embryos and larvae of Rana chensinensis. Survival, morphological abnormalities, growth and development, time to metamorphosis and size at metamorphic climax of R. chensinensis were examined. Our results showed that embryos malformation occurred in all fluoride treatments. Morphological abnormalities of

  • On the relation between the distribution of endemic goiter and the fluorine content of natural water in Hidaka Province, Hokkaido.

    No abstract available.

  • Thyroid dysfunction associated with excess fluoride intakes: scope for primary prevention

    Background: Preventable thyroid dysfunction has remained a neglected entity worldwide. Excess fluoride consumption over years leads to irreversible thyroid dysfunction. Materials and Methods: Subjects (N = 275) with thyroid dysfunction were recruited from medicine and endocrinology OPDs/wards and were thoroughly examined. The source and type of water consumed by these subjects

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  • Fluoride & Goiter

    Goitre (aka goiter) is an enlargement of the thyroid gland that in some cases can produce visible swelling in the neck. The main cause of goitre is iodine deficiency. Goitre can also be caused by other things, including hypothyroidism and substances that cause goitre (goitrogens). Since as far back as the

  • Fluoride Exposure Aggravates the Impact of Iodine Deficiency

    A consistent body of animal and human research shows that fluoride exposure worsens the impact of an iodine deficiency. Iodine is the basic building block of the T3 and T4 hormones and thus an adequate iodine intake is essential for the proper functioning of the thyroid gland. When iodine intake is inadequate during infancy and

  • Fluoride's Impact on Thyroid Hormones

    Up through the 1950s, doctors in Europe and South America prescribed fluoride for this purpose in patients with hyperthyroidism. (Merck Index 1968). Fluoride was selected as a thyroid suppressant based on findings dating back to the mid-19th century that fluoride is a goitrogen (a substance that can cause goiter). When used as

  • NRC (2006): Fluoride's Impact on the Thyroid Gland

    Several lines of information indicate an effect of fluoride exposure on thyroid function. It is difficult to predict exactly what effects on thyroid function are likely at what concentration of fluoride exposure and under what circumstances.

  • Mikhailets (1996): Functional state of thyroid under extended exposure to fluorides

    Abnormalities in the thyroid function characterized by a decreased iodine absorption function of the thyroid, a low level T3 syndrome, and a slight increase of the TSH level are observed in cases of chronic fluorine intoxication in the industrial workers.