Archive: Open Parachute March 2010

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 … 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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Why should we subsidise religious leaders and their silly statements?

Ken Perrott Nov 22, 2016

Destiny Church leader Brian Tamaki’s statement blaming the Kaikoura earthquake on “gays, sinners, and murderers” highlights the stupidity of our charity laws which define the advancement of religion a charitable activity and give tax exempt status to religions purely because they advance religion. Public revulsion at Tamaki’s statement resulted in an on-line petition calling for the removal of Tamaki’s tax exempt status. Currently, that … Read More

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Warriors, scouts, Trump’s election and your news media

Ken Perrott Nov 17, 2016

The media, establishment figures, and seemingly many of Clinton’s supporters,  were surprised at Trump’s victory in the US presidential elections because they think like warriors instead of scouts. Julia Galef described these different thinking processes in the video below – which I posted 6 months ago (see Are you really right?). Last week’s US presidential election result, the public uproar … Read More

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