Abstract
From the survey by Kilpatrick et al. (p. 654, col. 1, Vol. 32) it was possible to classify 696 schoolgirls in 4 groups according to intake of I, which was higher in those taking school lunches than in those not doing so because iodised salt was used for cooking, and according to intake of F, in some areas 0.7 and in others <02 p.p.m. in drinking water. Enlargement of thyroid had been assessed on 3 bases, visibly enlarged, not visibly enlarged, but with lobes palpably enlarged, or enlarged at isthmus but not necessarily at lobes. There was no indication that F was goitrogenic; its addition to water was not precluded. D. Harvey.
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The synergistic action of thyroid on fluoride toxicity
Control rats on the basic diets employed developed normal or nearly normal incisor teeth. Rats on the same basic diets to which dried thyroid had been added developed incisor teeth that were markedly bleached due to a potentiation of the toxic action of the fluorine in the basic diet. Subcutaneous
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The effect of fluorine on the level of intelligence in children.
Recently, many researchers and scholars have studied about the effects of the trace element, iodine, on the level of intelligence in children. However there has been little coverage or noise about the same effect of fluorine on children. For this purpose we have performed some research and the results are as follows.
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Goitre in school girls of the Mewat area of Haryana
A survey was carried out on 5449 school girls aged 10-16 years in the Mewat area of Haryana for goitre. The overall prevalence of goitre was nearly 29.5%. Thus goitre was a public health problem in the region. Analysis of the water sources in the study population used for drinking
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Fluoride and thyroid function in children in two villages in China
Eighty two children, aged 8 - 13 years old, from Wamiao village (severe endemic fluorosis area), from Xinhuai village (nonendemic fluorosis area) were 88 (as a control group), were recruited in this study. The prevalence of dental fluorosis (DF) were 85.37% (Wamiao) and 6.82% (Xinhuai) in two village’s children respectively;
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Endemic goitre in the absence of iodine deficiency in schoolchildren of the Northern Cape Province of South Africa
OBJECTIVE: The study was undertaken to investigate whether endemic goitre still exists in the Northern Cape Province of South Africa more than 55 years after it was reported and, if so, whether iodine deficiency, or fluoride in the drinking water, is linked to the goitres. DESIGN: Cross-sectional study of children in three pairs
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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.
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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.
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Fluoride Aggravates Thyroid Damage Caused by Excess Iodine Intake
Chinese researchers have found that the combination of excess fluoride with excess iodine caused greater reductions in IQ, or greater increases in goitre than either scenario by itself.
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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
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Fluoride, Water Hardness, and Endemic Goitre
Variations in goitre prevalence were found to correlate closely with the fluoride content (p=0-74; P<0-01) and with the hardness (p=0.77; P<0-01) of the water in each village. The effects of fluoride and water hardness seem to be independent.
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