http://medicalxpress.com/news/2014-05-f ... ng-iq.html
New research out of New Zealand's world-renowned Dunedin Multidisciplinary Study does not support claims that fluoridating water adversely affects children's mental development and adult IQ.
The researchers were testing the contentious claim that exposure to levels of fluoride used in community water fluoridation is toxic to the developing brain and can cause IQ deficits. Their findings are newly published in the highly respected American Journal of Public Health.
The Dunedin Study has followed nearly all aspects of the health and development of around 1000 people born in Dunedin in 1972-1973 up to age 38.
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