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Stop Mandatory Nationwide Fluoridation in New Zealand: Fundraising for Media Campaign

  • Systematic Literature Review on the Effects of Fluoride on Learning and Memory in Animal Studies     11 August 2016
    Posted by: Fluoride Action Network

    CONCLUSION: Very few studies assessed learning and memory effects in experimental animals (rats and mice) at exposure levels near 0.7 parts per million, the recommended level for community water fluoridation in the United States. At concentrations higher than 0.7 parts per million, this systematic review found a low to moderate level-of -evidence that suggests adverse effects on learning and memory in animal exposed to fluoride. The evidence is strongest (moderate level-of evidence) in animals exposed as adults and weaker (low level-of-evidence) in animals exposed during development. Confidence in these findings was reduced primarily based on potential confounding of the learning and memory assessments by deficits in motor function or fear and risk of bias limitations. Additional research is needed, in particular to address potential effects on learning and memory following exposure during development to fluoride at levels nearer to 0.7 parts per million. NTP is conducting laboratory studies in rodents to fill data gaps identified by this systematic review of the animal studies. The findings from those studies will be included in a future systematic review to evaluate potential neurobehavioral effects from exposure to fluoride during development with consideration of human, experimental animal and mechanistic data.

    See https://ntp.niehs.nih.gov/ntp/ohat/pubs/ntp_rr/01fluoride_508.pdf FOR FULL REPORT

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