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Fluoride was definitively identified as an endocrine disruptor in a 2006 report by the U.S. National Research Council of the National Academies (NRC). This report states: In summary, evidence of several types indicates that fluoride affects normal endocrine function or response; the effects of the fluoride-induced changes vary in degree and kind in different individuals. […]
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.
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.
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.
Dr. Vyvyan Howard on Fluoride in Drinking Water
Dr. Vyvyan Howard, Past-President of the International Society of Doctors for the Environment, explains his concerns about water fluoridation. Dr. Howard is a medical toxico-pathologist who specializes in the impact of toxins on fetal and infant health. In this video, Dr. Howard discusses his concerns about fluoride’s impact on infant health.
According to the National Research Council, “several lines of information indicate an effect of fluoride exposure on thyroid function.”