Regarding the statement : NHMRC strongly recommends community water fluoridation as a a) SAFE b) EFFECTIVE and c) ETHICAL way to help reduce tooth decay across the population.
a) SAFE . How can the NHMRC Strongly recommend community water fluoridation as safe, when there is no reference to a detailed margin of safety analysis?
As you would be aware, usually toxicologists take the lowest level or dose at which toxicity is observed (Lowest observable adverse effect level) and divide by 10 to set the margin of safety. This needs to take into account those with poor diet, the old, the young, those with poor kidney function (which reduces the ability to excrete fluoride) those who consume above average quantities of water (athletes, diabetics etc) and infants who are fed formula that has been reconstituted with fluoridated water. Since the level of fluoride in Australia has been set at between .6 and 1.1 ppm, this would mean the LOAEL would be between 6 and 11 ppm. A claim that water fluoridation is safe can only be made with an accompanying detailed margin of safety analysis.
The NHMRC statement declares fluoride at 1 ppm safe to be used to reconstitute baby formula, however there is no reference as to how this conclusion came to be. I could not find any studies in the NHMRC 'Evidence Evaluation report'. A baby drinking formula with floridated tap water is getting up to 250 times more floride than a breast fed baby. The Lancet medical journal published a study that included Fluoride as a developmental neurotoxin, and yet the NHMRC declares it safe for babies, based on what? What studies have been done to see how many of the children who have severe dental fluorosis were bottle fed?
check out the Australian Dental Journal 1996.Feb;41(1):37-42. by authors Slivia M, and Reynalds EC. The abstract says '..if reconstituted with water containing 1.0 ppm F they should all provide a daily fluoride intake of above the suggested threshold for fluorosis with intakes up to 2-3 times the recommended upper 'optimal' limit of 0.07 mg/kg body mass. Under these conditions the water used to reconstitute the formulae would provide 65-97 percent of the fluoride ingested "
According to the NHMRC Health effects of Fluoridation -Evidence Evaluation Report page 224, the study done by (Choi et al 2015) concluded that their research supported the notion that fluoride in drinking water may produce development neurotoxicity. This was based on the finding that participants with moderate to severe dental fluorosis had a significantly decreased mean total and backward digit span score compared to participants with normal to questionable dental fluorosis.
Based on this, I would expect the duty of care for the various Departments of Health across Austraila, would be to stop fluoridation, and fund their own studies to determine whether or not it is a development neurotoxin at the current levels. The NHMRC is remiss if it fails to warn the Government that the precautionary principle needs to be adopted and there is currently too many unknowns to declare it safe.
In 2006 the National Research council in the United states examined the literature on fluoride’s impact on health. In Chapter 7 of its report, the panel reviewed both animal and human studies relating to fluorides effect on the brain. They said “ On the basis of information largely derived from histological , chemical and molecular studies, it is apparent that fluorides have the ability to interfere with the functions of the brain and the body by direct and indirect means…. Fluorides also increase the production of free radicals in the brain through several different biological pathways. These changes have a bearing on the possibility that fluorides act to increase the risk of developing Alzheimer’s disease."
The NRC panel recommended “additional animal studies designed to evaluate reasoning” The NRC panel also recommended that studies of populations “exposed to different concentrations of fluoride” be undertaken to “evaluate neurochemical changes that may be associated with dementia,” adding that “consideration be delayed or occur late-in-life, and individual susceptibility”
Based on the IQ related studies they had access to back in 2006, they concluded “A few epidemiologic studies of Chinese populations have reported IQ deficits in children exposes to fluoride at 2.5 to 4mg/L in drinking water. Although the studies lacked sufficient detail for the committee to fully assess their quality and relevance to U.S. populations, the consistency of the results appears significant and enough to warrant additional research on the effects of fluoride on intelligence.”
The NRC panel recommended that future research “should include measurements of reasoning ability, problem solving, IQ, and short and longterm memory” Since the Australian Government has never done any such research in followup to the millions of people subjected to water fluoridation, how is it that the NHMRC can so confidently declare it as 'Safe' ?
The city of Geelong has had fluoride added to its public water supply since 2009. Since then, there has been not even a single follow up study regarding any side effects, or to monitor and check for adverse health effects or benefits.
The most recent Australian data from the National Child Oral Health Study 2012-14 (NCOHS)102 shows that in Australian children aged 8 to 14 years:
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16.8% have signs of any dental fluorosis (TF1+)
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nearly all dental fluorosis is very mild (TF 1 or 2)
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only 0.8% have mild fluorosis (TF 3)ad
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very few children (0.1%) have moderate to severe dental fluorosis (TF 4+).ad
Based on this dental fluorosis data, and the latest cencus data for numbers of children, there will be approxmiately 234727 children with dental fluorosis between approx ages 10 to 14. But because fluorosis does not fade or go away, this number will be increasing as the children become adults.
This also means that approximately 1397 (0.1%) children will have moderate to severe dental fluorosis. This is shocking when you look at the impact it will have on their quality of life, and their personal costs in dental work to try and rectify their unnecessary suffering. There is currently no research being done in Australia to see if those with the bio-marker of overexposure to fluoride (ie dental fluorosis) have any other side effects such as arthritic sympotms in their bones. How can you declare something as safe when such a high number of children are suffering as a result, and the research is not being done to determine any side effects?
b)EFFECTIVE
Since over 60 years of water fluoridatiion there has yet to be a single randomized controlled trial to demostrate its benefits. Therefore the statement should read 'There is no good evidence at this stage to suggest any benefit through community water fluoridation.'
There is only sub standart studies done. For example in Health effects of Water Fluoridation: Evidence Evaluation Report by the NHMRC in 2016 table 1 on page 8, Titled - ‘Summary of findings for dental caries in deciduous teeth’ the quality of evidence ranges from ‘We are not confident about the reported associations’ to ‘Our confidence in the reported associations is limited.’ There is not a single study is classified as being 'very confident in the reported associations’ or not even a single ‘moderately confident’ report.
The same is for table 2 called ‘Summary of findings for dental caries in permanent teeth'.
On page 20 of the NHMRC Evidence Evaluation Report they say regarding the quality of evidence:
"QUALITY OF THE EVIDENCE
Overall, the quality of the evidence for dental outcomes was low or very low. This was largely due to the limitations of observational studies, however restricting the inclusion to studies which adjusted for known confounding factors resulted in most of the included studies for caries being assessed as of acceptable quality. Any individual studies assessed as being of low quality were generally considered to be at risk of selection bias.
So the quality of evidence is low or very low, and yet the NHMRC are 'Strongly Recommending' water fluoridation as effective. How is this good science?
The Cochrane review in 2015 concluded ' There is very little contemporary evidence, meeting the review’s inclusion criteria, evaluating the effectiveness of water fluoridation for the prevention of caries.'
c) ETHICAL
Community water fluoridation is breaking the Victorian human rights charter, section 10 which states that ‘people must not be subjected to medical treatment or experiments without their full and informed consent.
In the Information Paper - Water fluoridation : dental and other human health outcomes, it states that Regulatory bodies (like the Therapeutic Goods Administration) does not even consider fluoridated drinking water to be a therapeutic good or medicine. (this may be due to the fact that it is actually toxic waste from the fertiliser industry riddled with all types of toxic substances)
It is a breach of human rights to mass medicate a community through the water supply, (and to do it using a non regulated substance.)
Water fluoridation is unethical because it is an experiment on the human population without their consent.
Who knows, in the next few decades as people reach the period of having drunk fluoridated tap water for 80 years, the prolonged exposure to fluoride in drinking water in Australia may be the cause of people suffering from joint pain as a direct result of the fluoride. This cannot be proved or disproved yet, as we are still in the experimental stage of this mass human experiment without consent, and require research to be done.
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Is there a need for water fluoridation? No. Based on data provided by the World Health Organisation, since water fluoridation has been introduced, there has been a decline in dental caries in countries that fluoridate, as well as those who don't. It would seem that general better dental hygene is the real key to lowering cavity rates. Therefore it would be unethical to impose something unneccessary upon an entire population.
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Is water fluoridation at current Australian levels effective in reducing tooth decay? No. There is not a single randomised controlled trial to demonstrate its benefits. It is well accepted that any benefit of fluoride is topical and not systemic, therefore the best practice would be for people to choose to use fluoridated toothpaste, instead of ingesting it into their body which is no benefit.
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Is water fluoridation at current Australian levels harmful? Not enough research has been done to determine the degree of harm, although thousands suffer from severe dental fluorosis. Therefore it is not ethical to force water fluoridation on a population.
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Does water fluoridation affect individual choice? Yes. Water fluoridation does make it more difficult for people who wish to drink non- fluoridated water. It may be difficult and/or expensive for people to avoid fluoridated water in areas with water fluoridation programs.
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Are the values of equity and solidarity important in the Australian community? Yes. Australians expect Governments to abide by the Human Rights Charters, and not to mass medicate a whole community, with no control of the dose, and no follow up as to any adverse side effects or health issues.
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Is water fluoridation a proportionate response to the problem of tooth decay? No. It is a waste of taxpayers money
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What would happen if we stopped providing water fluoridation? A more pure form of water, which is what a Government should aim to provide the population. On the 21st April 2015 , Erin Brockovich wrote 'After a great deal of research and personal thought, I am opposed to the continued policy and practice of drinking water fluoridation; I believe this harmful practice must be ended immediately. Public drinking water is a basic human right; and its systematic use as a dispensary of a substance for medical purposes is deplorable.'
Also, when discussing the ethics of water fluoridation, the following questions need transparancy. 1. How much is the Government buying the Hydrofluosilicic Acid from the fertiliser industry for or is the fertiliser industry paying the Government to take their Hydrofluosilicic Acid? 2. If the Government stopped buying Hydrofluosilicic Acid from the Fertiliser industry, would the industry still be sustainable, having to spend money to dispose of the toxic waste? 3. If the Government used 100% pharmaceutical grade calcium fluoride to add to the water supply, how much would this cost, and would it still be considered cost effective?