Evidence of water fluoridations effects on plants, ani. Study after study dating back to the 80s from respected academic and scientific institutions that connect fluoride to health dangers. Indexes and back issues indexes cumulative subject and author indexes are available for 1968 to 2002 and annual indexes for 2003 to201 7. The effective use of fluorides in public health world health.
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. The study was published in environmental health perspectives by scientists. A study provided by the lancet showed that fluoride is a neurotoxin which causes developmental toxicity. Fluoride in drinkingwater world health organization. Flawed study overstates link between fluoride and ill health. Fluoride released into the ground water in china in some cases greatly exceeded levels that are typical in the u. 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. Harvard, nih study confirms that highly fluoridated water. Fluoride reduces iq harvard study nasa a compilation of lies and deceit. In 1986, epa established a maximum allowable concentration for fluoride in drinking water of 4.
The children studied were up to 14 years of age, but the investigators speculate that any toxic effect on brain development may. Scientific studies documenting the dangers of fluoridation. We had concerns about the methods used, or the reporting of the results, in 97 percent of the studies, the authors noted. Thus, children in high fluoride areas had significantly lower iq scores than those who lived in low fluoride areas. They then analyzed possible associations with iq measures in more than 8,000 children of school age. Flawed study overstates link between fluoride and ill. Harvard study confirms fluoride reduces childrens iq. In summary, the study established that water fluoridation significantly reduces iq in children and that fluoride may be a neurotoxin that affects brain development. 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. 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. Click here to buy this book in print or download it as a free pdf. Do you take any of these 11 dangerous cholesteroldrugs.
Fluoride in drinking water national academies press. Ada responds to recent article questioning safety of fluoride. This study assessed the relationship between dental caries and fluorosis at varying fluoride levels in drinking water. Studies suggest that, when fluoride is ingested during the period of tooth. And the study even accounted for other potential variables, such as lead exposure, iodine deficiency or a history of brain disease or head injury. The china national knowledge infrastructure database also was included to locate studies published in chinese journals. 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. On top of that, the areas they looked at had people burning clay which was heavy with fluoride, so they were literally inhaling the. They suggest fluoride can be linked to brain, blood and bone deficiencies in humans.
And that journal is published by the federal government us dept of hhs. In a 32page report that can be downloaded free of charge from environmental health. We present four case studies that illustrate the use of fluoride in modern public health. 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. 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. Good thing they put fluoride in the water supply all over the united states of america, including here in boulder where i live. The office of history, national institutes of health exists to advance historical understanding of biomedical research within the nih and the world. The authors of the study eliminated both lead exposure and iodine deficiency as possible causes for the lowered iqs. While this is the first study to look at fluoride and. 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. New simple and sensitive spectrophotometric determination of fluoride in drinking groundwater has been developed using aluminiumresorcin blue complex.
The findings of the harvard researchers whose study was funded by the national institutes of health is nothing short of disturbing. The study demonstrated that deaths from cancer abruptly rose in as little as a year or two after fluoridation began. A 1996 study in china showed that fluoride adversely affected childrens iqs. The areas they studied were areas with many many many times the amount of fluoride found in our water here. Impact of fluoride on neurological development in children.
Because it can occur at toxic levels, fluoride is one of the drinking water contaminants regulated by the u. Power spectrum analysis of urinary fluoride excretion in human adults t. This 2018 edition of fluoridation facts is dedicated to dr. The nas recommended that the allowable limit for fluoride in tap water be lowered immediately.
The early studies didnt take into account the subsequent widespread use of fluoride containing toothpastes and other dental fluoride supplements, which also prevent cavities. The results of the first ever us government funded study of fluoride and iq have just been published. Early research and development was concerned with waterborne fluorides, both naturally. 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. 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. At least when it comes to topical application, you have a choice. You can easily buy fluoride free toothpaste and mouthwash. Some studies suggested that even slightly increased fluoride exposure could be toxic to the brain.
What are the effects of fluoridation of drinking water supplies on the incidence of caries. Scientific committee on health and environmental risks scher. Pdf and full text html versions will be made available soon. Appropriate oral health care is fundamental for any individuals health.
Ada untroubled by yet another study pointing to fluorides. 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. It was a meta study looking at a bunch of questionable chinese papers. Study finds drop in scores on intelligence tests with increased in utero fluoride exposure. 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. Fluoride makes bones brittle, and hip fracture rates are 20% to 40% higher in fluoridated communities. The relationship between fluoride exposure and adhd warrants future study. Fluoride has both beneficial and detrimental effects on human health. 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. Anti fluoride groups often cite this finding out of context. Subjects were drawn from control fluoride concentration in drinking water 0. Harvard study finds fluoride lowers iq published in. Harvard study confirms fluoride reduces childrens iq as reported by huffington post as of apr.
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. In a study published july 20 online in environmental health perspectives, a us national institute of environmental health sciences journal, the researchers found, amongst other things that. Fluoride is naturally present in all water sources. 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. A call for reducing fluoride levels in drinking water. On average, children with higher fluoride exposure showed poorer performance on iq tests. Large variation in naturally occurring fluoride in drinking water is observed in eu member.
Pdf a study on the high fluoride concentration in the. 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. Advertisement we already know how dangerous fluoride is and how it isnt needed at all. Fluoride and fluoridating agents of drinking water.
What are the possible health effects of fluoridation. Harvard study confirms fluoride harms brain development. Dental caries is still one of the major public health problems. 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. According to the best available scientific evidence and nearly 70 years of experience, fluoridation is safe and effective. Comments off on harvard study confirms fluoride reduces childrens iq. States, fluoride concentrations in water are much higher than normal, mostly from natural sources.
Children seem to be more susceptible to the effects of ingesting fluoride. Harvard study confirms fluoride reduces childrens iq reddit. There have been over 23 human studies and 100 animal studies. Fluoride lowers childrens intelligence by 7 iq points. The most effective way of caries prevention is the use of fluoride. Community, or artificial, water fluoridationthe addition of a fluoride compound usually hexafluorosilicic acid to public drinking water suppliesis a controversial public health intervention. 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. For example 50% of ingested fluoride is deposited in the bones of children as opposed to 10% in adults.
Office of history, national institutes of health the. Research report fluoride 3910 januarymarch 2006 fluoride poisoning of horses from artificially fluoridated water krook, justus 8 as seen in figure 6 for the. This program announcement, research on fluorides to improve oral health, is related to several priority areas. Antifluoride groups often cite this finding out of context.
Republic broadcasting network is proudly powered by wordpress and buddypress. Another chinese study evaluated fluoride exposure due to inhalation of soot and smoke from domestic coal fires used for cooking, heating, and drying grain li et al. It is the largest and longest study to evaluate role of fluoride in developing brain. 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. 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. A study linking water fluoridation to hypothyroidism has. Many of the children exhibited moderate to severe enamel fluorosis. Our study summarized the findings of 27 studies on intelligence tests in fluoride exposed children.
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