Harvard study finds fluoride lowers iq published in. Now, a new study published in environmental health perspectives has added to the scientific literature that suggests that fluoride negatively impacts human intelligence, especially in children and infants. There have been over 23 human studies and 100 animal studies. For example 50% of ingested fluoride is deposited in the bones of children as opposed to 10% in adults. Fluoride is naturally present in all water sources. In 1986, epa established a maximum allowable concentration for fluoride in drinking water of 4. They then analyzed possible associations with iq measures in more than 8,000 children of school age. Advertisement we already know how dangerous fluoride is and how it isnt needed at all. Comments off on harvard study confirms fluoride reduces childrens iq. The findings of the harvard researchers whose study was funded by the national institutes of health is nothing short of disturbing. Early research and development was concerned with waterborne fluorides, both naturally. We had concerns about the methods used, or the reporting of the results, in 97 percent of the studies, the authors noted.
Story ataglance a harvard metaanalysis funded by the national institutes of health nih has concluded that water fluoridation significantly lowers iq scores in children, and may be a neurotoxicant that affects brain development more than 23 human studies and 100 animal studies have linked. A study on the high fluoride concentration in the magnesiumrich waters of hard rock aquifer in krishnagiri district, tamilnadu, india article pdf available in arabian journal of geosciences 71. A comparative study of fluoride content in commercially available fluoridated toothpastes in sri lanka conference paper pdf available july 2014 with 173 reads how we measure reads. Fluoride released into the ground water in china in some cases greatly exceeded levels that are typical in the u. Large variation in naturally occurring fluoride in drinking water is observed in eu member. Antifluoride groups often cite this finding out of context. Flawed study overstates link between fluoride and ill health. Click here to buy this book in print or download it as a free pdf. Fluoride has both beneficial and detrimental effects on human health. And the study even accounted for other potential variables, such as lead exposure, iodine deficiency or a history of brain disease or head injury. You can easily buy fluoride free toothpaste and mouthwash. This study assessed the relationship between dental caries and fluorosis at varying fluoride levels in drinking water. This and other studies linking fluoride to cancer were governmentordered but were quickly buried once fluoride was found to be linked to dramatic increases in cancer. On average, children with higher fluoride exposure showed poorer performance on iq tests.
Harvard study confirms fluoride reduces childrens iq reddit. Our study summarized the findings of 27 studies on intelligence tests in fluoride exposed children. Office of history, national institutes of health the. For decades, many groups have fought against the inclusion of fluoride in publicly supplied water, arguing that the risks of mass fluoride consumption outweigh the purported benefits. Pdf a study on the high fluoride concentration in the. Harvard study finds fluoride lowers iq liberty blitzkrieg. And that journal is published by the federal government us dept of hhs. Dental caries is still one of the major public health problems.
Harvard study confirms fluoride harms brain development. Children seem to be more susceptible to the effects of ingesting fluoride. Republic broadcasting network is proudly powered by wordpress and buddypress. A team of researchers found a statistically significant association between fluoride exposure in women during pregnancy and a lowering of iq in their children, reports the fluoride action network. Subjects were drawn from control fluoride concentration in drinking water 0. The nas recommended that the allowable limit for fluoride in tap water be lowered immediately. Through preserving records of significant nih achievements, innovative exhibits, educational programs, and training researchers from multiple disciplines, the office of history explores the past to enhance present understanding of the health. States, fluoride concentrations in water are much higher than normal, mostly from natural sources. Community, or artificial, water fluoridationthe addition of a fluoride compound usually hexafluorosilicic acid to public drinking water suppliesis a controversial public health intervention. Fluoride in drinking water national academies press. What are the effects of fluoridation of drinking water supplies on the incidence of caries.
Research report fluoride 3910 januarymarch 2006 fluoride poisoning of horses from artificially fluoridated water krook, justus 8 as seen in figure 6 for the. A recentlypublished harvard university metaanalysis funded by the national institutes of health nih has concluded that children who live in areas with highly fluoridated water have significantly lower iq scores than those who live in low fluoride areas. Anti fluoride groups often cite this finding out of context. Study finds drop in scores on intelligence tests with increased in utero fluoride exposure. The authors of the study eliminated both lead exposure and iodine deficiency as possible causes for the lowered iqs. Fluoride in drinkingwater world health organization. The children studied were up to 14 years of age, but the investigators speculate that any toxic effect on brain development may. According to the best available scientific evidence and nearly 70 years of experience, fluoridation is safe and effective. The office of history, national institutes of health exists to advance historical understanding of biomedical research within the nih and the world. Evidence of water fluoridations effects on plants, ani. Dr brittany seymour, assistant professor in oral health policy and epidemiology at harvard school of dental medicine, debunks unreliable claims about water fluoridation in this new video, providing muchneeded information and context to the often misrepresented harvard study on fluoridation and childrens iq critics of water fluoridation have successfully used the internet to circulate.
Scientific committee on health and environmental risks scher. The effective use of fluorides in public health world health. Many of the children exhibited moderate to severe enamel fluorosis. Appropriate oral health care is fundamental for any individuals health. Harvard, nih study confirms that highly fluoridated water. Thus, children in high fluoride areas had significantly lower iq scores than those who lived in low fluoride areas. When the natural level of fluoride in drinking water is very low, community water fluoridation simply adjusts the amount to a recommended level to help prevent tooth decay. This program announcement, research on fluorides to improve oral health, is related to several priority areas. Good thing they put fluoride in the water supply all over the united states of america, including here in boulder where i live.
The results of the first ever us government funded study of fluoride and iq have just been published. The areas they studied were areas with many many many times the amount of fluoride found in our water here. They suggest fluoride can be linked to brain, blood and bone deficiencies in humans. Impact of fluoride on neurological development in children. In summary, the study established that water fluoridation significantly reduces iq in children and that fluoride may be a neurotoxin that affects brain development. Study after study dating back to the 80s from respected academic and scientific institutions that connect fluoride to health dangers. Fluoride and fluoridating agents of drinking water. It is the largest and longest study to evaluate role of fluoride in developing brain. Some studies suggested that even slightly increased fluoride exposure could be toxic to the brain. A harvard university analysis funded by the national institutes of health nih has concluded that children who live in areas with highly fluoridated water have significantly lower iq.
At least when it comes to topical application, you have a choice. Scientific studies documenting the dangers of fluoridation. The method is based on the reaction of fluoride with the coloured complex to produce colourless aluminium fluoride complex and releasing of the free ligand. Through indepth research and questioning into fluorides mechanism of action, fluoride has been shown to have safe and beneficial effects for the public.
Bassins study comes on the heels of a national academy of sciences nas report that found the federal safe limit for fluoride in tap water did not protect children from dental fluorosis or increased bone fractures. The early studies didnt take into account the subsequent widespread use of fluoride containing toothpastes and other dental fluoride supplements, which also prevent cavities. Fluoride reduces iq harvard study nasa a compilation of lies and deceit. March 10, 2015 controversy over fluoride levels in drinking water in massachusetts has made headlines in recent months as cambridge, gloucester, newburyport, and other towns in massachusetts relook at the decadesold practice of adding fluoride to public drinking water to reduce dental caries cavities. A call for reducing fluoride levels in drinking water. In a 32page report that can be downloaded free of charge from environmental health. Harvard study confirms fluoride reduces childrens iq as reported by huffington post as of apr. The criteria for inclusion of studies included studies with high and reference fluoride exposures, end points of iq scores or other related cognitive function measures, presentation of a mean outcome measure, and associated measure of variance 95% confidence intervals cis or ses and numbers of participants. Other major studies have reached the opposite conclusion, including a 1995 study by the new york state health department that found fluoride exposure does not increase the risk for. Normal fluoride concentrations in spot samples of urine k. But youre stuck with whatever your community puts in the water, and its very difficult to filter out of your water once its added. A study provided by the lancet showed that fluoride is a neurotoxin which causes developmental toxicity.
A study linking water fluoridation to hypothyroidism has. The study demonstrated that deaths from cancer abruptly rose in as little as a year or two after fluoridation began. Current fluoride research fluoride health effects databaseresearch. Flawed study overstates link between fluoride and ill. On top of that, the areas they looked at had people burning clay which was heavy with fluoride, so they were literally inhaling the. Power spectrum analysis of urinary fluoride excretion in human adults t. Fluoride lowers childrens intelligence by 7 iq points. While this is the first study to look at fluoride and. The china national knowledge infrastructure database also was included to locate studies published in chinese journals. Studies suggest that, when fluoride is ingested during the period of tooth. Healthy people 2010 the public health service phs is committed to achieving the health promotion and disease prevention objectives of healthy people 2010, a phsled national activity for setting priority areas. Indexes and back issues indexes cumulative subject and author indexes are available for 1968 to 2002 and annual indexes for 2003 to201 7. What are the possible health effects of fluoridation. Joseph mercola, huffingtonpost a recentlypublished harvard university metaanalysis funded by the national institutes of health nih has concluded that children who live in areas with highly fluoridated water have significantly lower iq scores than those who live in low fluoride areas.
Fluoride makes bones brittle, and hip fracture rates are 20% to 40% higher in fluoridated communities. Ada untroubled by yet another study pointing to fluorides. For the first time combined 27 studies and found strong indications that fluoride may adversely affect cognitive development in children. Because it can occur at toxic levels, fluoride is one of the drinking water contaminants regulated by the u. The most effective way of caries prevention is the use of fluoride. Pdf and full text html versions will be made available soon. The study was published in environmental health perspectives by scientists. This 2018 edition of fluoridation facts is dedicated to dr. Harvard study confirms fluoride reduces childrens iq.
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