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Archive: Open Parachute December 2010

More nails in the anti-fluoridation myths around IQ and hypothyroidism

Ken Perrott Jan 16, 2017

A new Canadian study shows no relationship of cognitive deficits or diagnosis of hypothyroidism with fluoride in drinking water. This work is important because it counters the claims made by anti-fluoride campaigners. While the campaigners cite scientific studies to support their claims, those studies are usually very weak, or irrelevant because they involve areas of endemic fluorosis where drinking … Read More

Fluoridation: New scientific review of fluoride and oral health

Ken Perrott Jan 11, 2017

Want to get up to date on  research about community water fluoridation (CWF) and the effects of fluoride in dental health in general? Have a read of this new review. It’s published in a special issue of Community Dental Health devoted to the WHO approach to the prevention of dental caries through the use of fluoride. And is also … Read More

Anti-fluoride IQ claims are false

Ken Perrott Jan 06, 2017

Anti-fluoridation campaigners’ claims that community water fluoridation reduces IQ are simply false. That is the conclusion of  Alex Kasprak – and he says why in his new Snopes.com article (see Fact Check -Fluor-IQ). Snopes.com tackles fluoridation claims. These days anti-fluoridation activists use this claim as their main argument – and they often cite scientific articles to back it up. Read More

Large Swedish study finds no effect of fluoride on IQ

Ken Perrott Jan 05, 2017

A significant new Swedish study shows fluoride in drinking water, at the concentrations used for community water fluoridation, has no effect on IQ or other measures of cognitive ability. Fluoride levels in Swedish drinking water (mg/L). Variation between municipalities. Source: Aggeborn & Öhman (2016). Similarly, it has no effect on diagnosis or prescription of medicines for ADHD, depression, psychiatric … Read More

Fluoridation: New research confirms it is cost effective – yet again

Ken Perrott Dec 13, 2016

A new study has found, once again, that community water fluoridation (CWF) saves more than it costs. Carrying on from the previous most comprehensive study in 2001 this new study is based on updated costs of CWF and the averted lifetime costs of dental treatment in the United States. It estimates savings from averted tooth decay in 2013  as a result … Read More

Water fluoridation gets political

Ken Perrott Dec 08, 2016

The new community water fluoridation legislation is now on the way in the New Zealand parliament. The Health (Fluoridation of Drinking Water) Amendment Bill was introduced on Tuesday and the parliamentary health committee has invited submissions. It’s worth watching the videos of the twelve speakers in the first reading. These give an idea of how the legislation will be received by the different political … Read More

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Leader of flawed fluoridation study gets money for another go

Ken Perrott Nov 28, 2016

. Professor Christine Till has been given a $300,000 US National Institute of Health grant to test for harmful effects of fluoride. Malin and Till (2015) published research indicating a relationship between fluoridation and Attention Deficit Hyperactivity Disorder (ADHD). However, that study was flawed because it omitted important confounders. When these are included the relationship disappears. Professor Till … Read More

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