September 22, 2019
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Criticisms of Recent JAMA Fluoride/IQ Study Are Unfounded

Criticisms of Recent JAMA Fluoride/IQ Study Are Unfounded

PR Newswire

NEW YORK, Aug. 21, 2019 /PRNewswire/ -- A newly published carefully-researched and meticulously peer-reviewed US government-funded study published in JAMA Pediatrics reports maternal fluoride levels are linked to offspring's lower IQ. But the same day the study was released, many fluoridation proponents erroneously dismissed it, reports the Fluoride Action Network (FAN).

Critics claim: "It is only one study." The truth is that over 50 studies have found a lowering of IQ associated with fluoride exposure including another high-quality US-government funded study (Bashash et al., 2017) using similar methodology as the JAMA study. (Also, Thomas et al. 2018 Occupational & Environmental MedicineValdez Jiménez et al. Neurotoxicology  2017 and Li et al Fluoride 2008)

Critics claim: "It doesn't prove cause and effect." No epidemiological study can. However, over 400 animal and cell studies underline the JAMA study's biological plausibility.

Critics claim: "A loss of 3-4 IQ points is not enough to be concerned."  This is a predicted average drop for the whole population – such a shift could dramatically reduce the percentage of very bright children and increase the number of mentally handicapped. 

Critics claim: "Loss of IQ cannot be sex-related." This claim ignores what the authors state about these sex differences. Christine Till the lead author responds to this and other criticisms in an interview on Canadian TV

Contradicting other claims, the mothers were not exposed to high fluoride levels and the study did control for lead, mercury, manganese, perfluoro-octanoic acid, and urinary arsenic.

Claims that thousands of studies show fluoridation is safe are not true. In fact, public health has been negligent about examining  the health of people living in fluoridated communities.

Paul Connett, PhD, FAN Director says, "It is sickening to hear promoters tout the benefits of swallowing fluoride when confronted with such serious evidence of harm. You can repair a child's tooth but you can't repair a child's brain if it is harmed during fetal development."

"It is fine to ask for more studies. But, the only reasonable course of action is to place a moratorium on fluoridation until the matter has been resolved. Meanwhile, pregnant women should be warned to avoid fluoride as much as they can," says Connett.         

Connett's video response to criticisms of the JAMA/IQ study https://www.youtube.com/watch?v=hjKUqf85E6Q&feature=youtu.be 

 

Cision View original content:http://www.prnewswire.com/news-releases/criticisms-of-recent-jama-fluorideiq-study-are-unfounded-300905304.html

SOURCE Fluoride Action Network



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