Archive: Open Parachute 2009

Anti-fluoridationists commonly misrepresent Ministry of Health data

Ken Perrott May 24, 2017

Anti-fluoride activists tell porkies about the Ministry of Health’s data on child dental health. They cherry-pick the data to make it appear that community water fluoridation is ineffective. And when challenged to discuss the issue they run away. I am currently dealing with family issues so am reposting this article, “A challenge to anti-fluoridationers to justify their misrepresentation of New … Read More

ChildSmile – a complement, not an alternative, to fluoridation

Ken Perrott May 18, 2017

Local antifluoride activists are busy presenting ChildSmile and similar programmes as alternatives to fluoridation. They aren’t – and New Zealand District health Boards already operate elements of these programmes where they consider them effective. I am currently dealing with family issues so am reposting this article, “ChildSmile dental health – its pros and cons” from September 2015.   There is … Read More

Fluoridation helps protect adult teeth as well as children’s

Ken Perrott May 16, 2017

Recent research reveals that community water fluoridation benefits adults as well as children. While research into the effects of fluoridation in adults started earlier than for children, early studies suffered from a lack of information on effects of socioeconomic status and other confounding factors.  Recent studies with adults have been more robust but there is still some confusion – especially since … Read More

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Fluoridation: the truth about heavy metal contamination

Ken Perrott May 12, 2017

Anti-fluoride activists going on about contaminants in drinking water due to fluoridation have it all wrong. If they avoided their knee-jerk, chemophobic reactions to certificates of analysis and did some calculations they would realise they are making a fuss about absolutely nothing. I am currently absorbed in dealing with family issues at the moment so am reposting this article, “Chemophobic … Read More

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Bottle fed infants: fluoridated water not a problem

Ken Perrott May 04, 2017

New recommended fluoride dietary intakes by infants and young children in Australia and New Zealand were recently published. The updated values are available online at Nutrient Reference Values for Australia and New Zealand. This is a regular update – the Australian National Health and Medical research council advises these recommendations be reviewed every 5 years. But the new recommendations are interesting because … Read More

Citing scientific studies and the arrogance of ignorance

Ken Perrott Apr 27, 2017

One thing that gets me going (as readers here probably know) is the way scientific citations are cherry-picked and dragged in to support biased positions. It’s a common form of confirmation bias in the fluoridation debate. And I get even angrier when the perpetrators cherry-picking citations will then claim they “have science on their side.” Parroting citations and (often unconnected) claims … Read More

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Debating science

Ken Perrott Apr 25, 2017

This last week has certainly raised the profile of the “science debate” in New Zealand. Most importantly we saw big turnouts for the Science March in several major cities – a demonstration that lots of scientists and supporters of science feel that science could be threatened – or at least that it is unappreciated by the politicians and other decision-makers. Maybe … Read More

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No, fluoridation is not associated with leading causes of death

Ken Perrott Apr 16, 2017

We are all going to die but fluoridation isn’t killing us. Oh, dear – the local anti-fluoridation people are at it again. More cases of fiddling statistics  – and yet again the guilty party is the US anti-fluoridation activist Karen Favazza Spencer. She should really take some advice about statistics. Although I suspect she doesn’t care – she is just … Read More

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