Tagged: fluorosis

Anti-fluoride group coordinator responds to my article - Open Parachute

Ken Perrott Mar 13, 2018

My recent article Paul Connett’s misrepresentation of maternal F exposure study debunked got some online feedback and criticism from anti-fluoride activists. Mary Byrne, National coordinator Fluoride Free New Zealand, wrote a response and requested it is published on SciBlogs “in the interests of putting the record straight and providing balance.” I welcome her response and have posted it here. Hopefully, this will … Read More

Endemic fluorosis and its health effects - Open Parachute

Ken Perrott Sep 28, 2017

The public debate in New Zealand might convince the casual reader that all the science related to fluoride revolves around tooth decay and IQ. But that is certainly not the case on a world scale. The World Health Organisation gives guidelines for the concentration of fluoride in drinking water recommending it should be in the range 0.5 – 1.5 mg/L. OK, … Read More

Premature births a factor in cognitive deficits observed in areas of endemic fluorosis? - Open Parachute

Ken Perrott Jan 20, 2017

Anti-fluoridation activists are soon likely to be promoting a new paper reporting a study which found a relationship between maternal (in utero) exposure to fluoride and cognitive development delay in infants. Could the increased incidence of premature births explain cognitive deficits observed in areas of endemic fluorosis? Image credit: New Kids-Center. Of course, they will be unlikely … Read More

Cochrane fluoridation review. III: Misleading section on dental fluorosis - Open Parachute

Ken Perrott Jul 03, 2015

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 → … Read More