Abstract

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• Related Studies :

  • [Joint effects of excessive fluoride and iodine on thyroid function among children in Tianjin].

    Objective To investigate the joint effects of excessive fluoride and iodine on thyroid function among children in Tianjin. Methods According to the concentration of fluoride and iodine in drinking water,four small towns in two counties of Tianjin were classified into three groups of high fluoride and iodine,high fluride,and control.Children aged 8-10 years in

  • Prevalence and manifestations of water-born fluorosis among schoolchildren in Kaiwara village of India: a preliminary study

    Background: Fluorosis is an endemic condition with prevalence in 19 states and union territories in India. It is an urgent task to survey the fluorosis-related problems in these regions. Objective: To study the clinical manifestations of water-born fluorosis among schoolchildren in Kaiwara village of India. Methods: A cross-sectional study was conducted in

  • [Effects of endoplasmic reticulum stress-induced apoptosis in thyroid injury caused by fluoride in rat].

    Objective: To explore the effects of endoplasmic reticulum stress-induced apoptosis in thyroid injury of rats caused by excessive fluoride intake. Methods: All 40 Wistar rats were randomly divided into four groups, control group, low fluoride group, medium fluoride group and high fluoride group. The rats in control group were fed with

  • [Investigations on the possible damaging effect of fluorine on the thyroid gland].

    No abstract available.

  • Fluoride toxicity in the male reproductive system

    This review covers the current scientific understanding of the links between environmental exposure to fluoride (F) and its known or potential effects on human male fertility. The most important consequences of these F exposures are: changes in the structure and functional behavior of spermatozoa, disruption of spermatogenesis, and disturbances of

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  • The Relationship Between Fluoride Exposure & Goitre in South Africa

    As a general rule simple goitre, irrespective of the cause, can be very, or fairly, satisfactorily combated by an adequate increase in man's daily iodine intake, except when the enlargement of the gland is due to the ingestion of excessive amounts of fluorine. The only correct solution to fluorine-induced endemic goitre is the removal of this element from the drinking water.

  • Is fluoride-induced hyperthyroidism a cause of psychosis among East African immigrants to Scandinavia?

    When people with a compensated fluoride-induced hypothyroidism move to a low-fluoride area, the fluoride-induced inhibition of the production of thyroid hormones ceases. In Scandinavia, the dietary intake of iodine is usually quite high due to iodized table salt and easy access to marine fish. Under these conditions, the elevated capacity for production of thyroid hormones may result in hyperthyroidism.

  • 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.

  • 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

  • Fluorine in the Aetiology of Endemic Goitre

    The distribution of endemic goitre in the Punjab and in England is related to the geological distribution of fluorine and to the distribution of human dental fluorosis (mottled enamel). Inquiry showed the presence of dental fluorosis among school-children in two areas of Somerset where two previous observers had recorded a high incidence of goitre, and the absence of dental fluorosis in an adjoining area selected as control where endemic goitre was absent.