Peer reviews of the 2021 report 'Fluoridation: an update on evidence' by Office of the Prime Minister’s Chief Science Advisor

John Christie made this Official Information request to Jacinda Ardern

The request was refused by Jacinda Ardern.

From: John Christie

Dear Jacinda Ardern,

I have noted that during the debate in Parliament on the Health (Fluoridation of Drinking Water) Amendment Bill Associate Minister of Health Ayesha Verrall said “This bill enables the director-general to direct local authorities to fluoridate their water supply. By having a consistent decision maker with access to the best scientific evidence, we will promote fluoridation across the country.”
In response to an OIA request to the Ministry of Health concerning some recent scientific studies on the safety of water fluoridation, I was informed that the Ministry had not analysed any of the ones I had specified, and referred me to an OPMCSA report for information on one of them.
The analysis in that report seemed to be based mainly on a 2020 review paper from Germany. This paper did not examine any neurotoxicity studies published after August 2019.
Since that date, a large number of new studies have been published, but I could find no analysis of these in the OPMCSA report. This suggests to me that the Director-General of Health will in fact not have access to the best scientific evidence.
I am therefore concerned to know what the peer reviewers of the report had to say, in particular any comments they may have had about the recent evidence and on what mechanisms exist for the Ministry to keep abreast of new developments as they occur.

Yours faithfully,
John Christie

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From: Rt Hon Jacinda Ardern

Kia ora


Thank you for taking the time to get in touch with Prime Minister Jacinda


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From: Rt Hon Jacinda Ardern

I am writing on behalf of the Prime Minister, Jacinda Ardern, to acknowledge receipt of your Official Information Act request.

Your request will be responded to under the provisions of the Official Information Act 1982.

Yours sincerely

Dinah Okeby
Office of the Prime Minister

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From: J Ardern (MIN)
Jacinda Ardern

Attachment 16.03.2022 Letter to Christie PMO 2022 051.pdf
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Tēnā koe,


On behalf of Raj Nahna, I attach a letter in response to your OIA request.


Ngā mihi,


Private Secretary (Executive Support)

Office of the Prime Minister

Authorised by Rt. Hon Jacinda Ardern MP, Parliament Buildings, Wellington



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