Cochrane fluoridation review. III: Misleading section on dental fluorosis Ken Perrott Jul 03

The Cochrane review did not look at the effect of community water fluoridation (CWF) on dental fluorosis. It simply reviewed data on the prevalence of dental fluorosis at different fluoride drinking water concentrations – up to 7.6 ppm which is … Continue reading

June ’15 – NZ blogs sitemeter ranking Ken Perrott Jul 01

Big problems with Sitemeter The problems with SiteMeter are even worse this month. No data could be obtained for about 50 blogs using SiteMeter. People have also reported strange results. So if you wish to query the information in the table … Continue reading

Cochrane fluoridation review. II: “Biased” and poor quality research? Ken Perrott Jun 30

Here again, the language used in the Cochrane review (Water fluoridation for the prevention of dental caries) is very misleading. Especially when cherry-picked and taken out of context. The word “bias” used in the review does not have the meaning … Continue reading

Cochrane fluoridation review. I: Most research ignored Ken Perrott Jun 29

With the publication of the new Cochrane Fluoridation Review (Water fluoridation for the prevention of dental caries) we have, once again,  both fluoridation supporters and opponents claiming it as evidence for their contradictory positions. They surely both cannot be right. … Continue reading

What is causing warming of the earth? Ken Perrott Jun 28

Bloomberg has a great article showing why climate change deniers have it all wrong when they argue that the observed global warming is explained by natural causes. It just isn’t. The article is What’s Really Warming the World? Climate deniers blame … Continue reading

New science bloggers wanted for Sciblogs 2.0 Ken Perrott Jun 26

Sciblogs 2.0 coming soon After nearly six years in operation, Australasia’s largest blog network is getting a facelift and some fresh voices. Sciblogs features commentary from around 30 scientists and science writers and is consistently ranked among the country’s top … Continue reading

Gagging of scientists – a common problem? Ken Perrott Jun 25

A recent NZ Association of Scientists survey indicates that 40% of NZ scientists report they feel gagged from communicating their scientific findings to the public. Management policies and funding problems were blamed and there are issues around “embarrassing the government.” … Continue reading

I wish more people were aware of this Ken Perrott Jun 22

Misrepresentation of the new Cochrane fluoridation review Ken Perrott Jun 20

A new fluoridation review was published this week – Water fluoridation for the prevention of dental caries from the Cochrane Oral Health Group. It’s main message is: “Data suggest that the introduction of water fluoridation resulted in a 35% reduction in … Continue reading

News media – telling us how to think Ken Perrott Jun 18

OK – this is satire and as with all satire the parallels are not completely equal. But it does illustrate what I feel about the widespread pathetic reporting of the Ukrainian events. It’s as if we are bing told how to … Continue reading

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