The findings of the harvard researchers whose study was funded by the national institutes of health is nothing short of disturbing. 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. Listing a study does not mean it has been evaluated by the u. A 1971 national park service study of the area downwind of an anaconda aluminum company smelter and phosphate plant found excessive elevations of fluoride in pines, firs, grasses, shrubs, herbs and hay. Apf is currently the choice for these applications. Study after study dating back to the 80s from respected academic and scientific institutions that connect fluoride to health dangers. A study of a community water fluoridation program in colorado used an. Fluoride in drinkingwater world health organization. The estimates of the crude relative risk ranged from 0. Harvard study confirms fluoride reduces childrens iq at least when it comes to topical application, you have a choice.
The us public health department, headed by the father of fluoridation, h. Fluoride exposure to the developing brain, which is much more susceptible to injury caused by toxicants than is the mature brain, may possibly lead to permanent damage grandjean and landrigan 2006. And the study even accounted for other potential variables, such as lead exposure, iodine deficiency or a history of brain disease or head injury. Because it can occur at toxic levels, fluoride is one of the drinking water contaminants regulated by the u. Many of the children exhibited moderate to severe enamel fluorosis. Statement on the evidence supporting the safety and effectiveness. One study has shown that children who live in communities without fluoridation are three times more likely to end up in the hospital to undergo dental. Regression analyses suggest association between increases in. In the course of writing the book, fluoride, the aging factor health. Fluoride research 1985, volume 27 1st edition selected papers from the 14th conference of the international society for fluoride research, morioka, japan, 1215 june 1985.
Do you take any of these 11 dangerous cholesteroldrugs. Fluoride readily crosses the placenta agency for toxic substances and disease registry 2003. States, fluoride concentrations in water are much higher than normal, mostly from natural sources. In the dental research field, funding from nidr is the name of the game. Nov 25, 20 antifluoride groups often cite this finding out of context. The most effective way of caries prevention is the use of fluoride. In addition, analysis of fluoride in bone samples from patients and controls would be valuable in. 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 fluoride to brain.
Perhaps most worrisome is preliminary research in laboratory animals suggesting that high levels of fluoride may be toxic to brain and nerve cells. Antifluoride groups often cite this finding out of context. The iowa fluoride study ifs is a longitudinal study of children now young adults originally designed to quantify fluoride exposures from both dietary and nondietary sources and to associate longitudinal fluoride exposures with dental fluorosis spots on teeth and dental caries cavities. After concluding his 21city study 25, 26, he found that drinking water with 1 ppm of fluoride can prevent dental caries, increase tooth strength. Study finds drop in scores on intelligence tests with increased in utero fluoride exposure. Aug 01, 2015 further, 15 percent of children in the high fluoride city had signs of mental retardation, compared with only 6 percent in the low fluoride city. Honey bees had the highest fluoride levels among insects. As you read through this report, youll begin to understand what the difference. Optimised fluoride prevention by double rinse with fluoride and calcium fluorca the safety and scientific validity of this study is the responsibility of the study sponsor and investigators.
Harvard study confirms fluoride harms brain development. An additional study, which reported an increased incidence of. In areas with low fluoride levels in drinking water, solutions of 2 % sodium fluoride, 8% stannous fluoride and acidulated phosphate fluoride apf 1. 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. Department of health and human services public health service agency for toxic substances and disease registry. Please understand that the study confirms fluoride reduces childrens iq when fluoride is present in high doses. Fluoride news, research and analysis the conversation. In 1986, epa established a maximum allowable concentration for fluoride in drinking water of 4. It is the largest and longest study to evaluate role of fluoride in developing brain. Adding fluoride to public water supplies is a safe and effective way to prevent tooth decay and has played a major role in in improving the publics dental health for more than 70 years. And the study even accounted for other potential variables, such as lead exposure. In a metaanalysis, researchers from harvard school of public health hsph and china medical university in shenyang for the first time combined 27 studies and found strong indications that fluoride may adversely affect. Scientific studies documenting the dangers of fluoridation. 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.
Health risk assessment of fluoride in drinking water. The study was published online in environmental health perspectives on july 20, 2012. Anti fluoride groups often cite this finding out of context. They suggest fluoride can be linked to brain, blood and bone deficiencies in humans.
Mothers of newborns were recruited from 8 iowa hospital postpartum. However, mccann claimed, in 1968, that caf2 is soluble in saliva 1215 mg1, that it would be rapidly lost in the oral cavity, and that the clinical effect of fluoride was related to formation of firmly bound fluoride only. Zoology and wildlife conservation international relations environmental issues fluorides environmental aspects plants plants organisms. Please understand that the study confirms fluoride reduces childrens iq when fluoride is present in high doses opportunities for epidemiological studies depend on the existence of comparable population groups exposed to different levels of fluoride from drinking water. Download fulltext pdf download fulltext pdf download fulltext pdf download fulltext pdf. For example 50% of ingested fluoride is deposited in the bones of children as opposed to 10% in adults.
Fluoride free, antioxidant, vegancertified toothpaste. 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. Fluorides effectiveness in preventing tooth decay extends throughout ones life, resulting in fewerand less severe. The beneficial effect of fluoridated salt in reducing dental caries was also observed among hungarian adults in a study 1991 including the. In the course of writing the book, fluoride, the aging factor health action press, delaware, ohio, 1986, this author had already traced the history of studies claiming that fluoridation reduced tooth decay by 6070%. The office of history, national institutes of health exists to advance historical understanding of biomedical research within the nih and the world. Experts have voiced concerns about the uptake of a recent canadian study, in which water fluoridation. By washingtons blog government and top university studies. Pdf a comparative study of fluoride content in commercially. In areas with low fluoride levels in drinking water, solutions of 2 % sodium fluoride, 8% stannous fluoride and acidulated phosphatefluoride apf 1. Because of the intermittent use of the school water, 5 days each week during the 9month school year, the amount of fluoride added is increased over the usual 1 ppm. A comparative study of fluoride content in commercially available fluoridated toothpastes in sri lanka. Based on the findings, the authors say that this risk should not be ignored, and that more research on fluoride s impact on the developing brain is warranted.
Harvard study confirms fluoride reduces childrens iq. I read just the first few sentences of the actual report not the hyperbolic web post. In 1969, for example, fluoride published h e macdonalds comprehensive study of sources, problems, disposal of. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Optimised fluoride prevention by double rinse with. You can easily buy fluoride free toothpaste and mouthwash. Fluoride can also become concentrated in bonestimulating bone cell growth, altering the tissues structure, and weakening the skeleton. Community, or artificial, water fluoridationthe addition of a fluoride compound usually hexafluorosilicic acid to public drinking water suppliesis a controversial public health intervention.
The purpose of this study was to determine the efficacy of fluoride varnish 5% sodium fluoride, duraphat, colgate in reverting white spot lesions wsls after fixed orthodontic treatment. Fluoridation resources american dental association. Children seem to be more susceptible to the effects of ingesting fluoride. From the earliest issues, fluoride has published a wide variety of research papers, abstracts, special articles and editorials on the environmental issues concerning fluoride. Randomized controlled trial on fluoride varnish application.
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. Why would one go through so much trouble to scour such an extensive database not knowing what the results would be. Indexes and back issues indexes cumulative subject and author indexes are available for 1968 to 2002 and annual indexes for 2003 to201 7. Appropriate oral health care is fundamental for any individuals health. Chankanka o, levy sm, marshall ta, cavanaugh je, warren jj, broffitt b, kolker jl. Opportunities for epidemiological studies depend on the existence of comparable population groups exposed to different levels of fluoride from drinking water. Fluoride in water is the most efficient way to prevent one of the most common childhood diseases tooth decay. Free fluoride is released from the plaque reservoir. Four studies showed no significant associations between the incidence of downs syndrome and water fluoride level and two studies by the same author found a significant p fluoride level. Most people associate fluoride with the practice of intentionally.
New study links fluoride exposure to low iq in offspring. Fluoride exposure in utero linked to lower iq in kids, study. The free library general interestinformational zoology and wildlife conservation earth. Based on the findings, the authors say that this risk should not be ignored, and that more research on fluorides impact on the developing brain is warranted. Four studies showed no significant associations between the incidence of downs syndrome and water fluoride level and two studies by the same author found a significant p free fluoride ion presents in. Pdf health risk assessment of fluoride in drinking water. Click here to buy this book in print or download it as a free pdf. Fluoride in drinkingwater, background document for development of who. Harvard study confirms fluoride harms brain development iaomt. If you need to print pages from this book, we recommend downloading it as a pdf. A 1964 scientific study of fluoride levels in sewage in 56 california cities demonstrated that domestic sewage already contained fluoride over and above that naturally present in water or added. Another chinese study evaluated fluoride exposure due to inhalation of soot and smoke from. Office of history, national institutes of health the. Fluoride is one of the natural contaminants found in public drinking water supplies regulated by epa.
Dental caries is still one of the major public health problems. In 1969, for example, fluoride published h e macdonalds comprehensive study of sources, problems, disposal of waste fluoride and the effects of. The results of the first ever us government funded study of fluoride and iq have just been published. Trendley dean, had examined the teeth of children drinking water with high natural fluoride and then approved what was supposed to be a 15 to 20 year study of artificial fluoridation in grand rapids, michigan. Mar 25, 2016 appropriate oral health care is fundamental for any individuals health. Impact of fluoride on neurological development in children. Pdf an introduction to toothpaste its purpose, history. In summary, the study established that water fluoridation significantly reduces iq in children and that fluoride may be a neurotoxin that affects brain development. Varner et al 1998 undertook a second study to determine the relative contribution of fluoride to the high mortality found in the 0. Fluoride lowers iq and causes other health problems the harvard school for public health reports. An introduction to toothpaste its purpose, history and ingredients. Shashi 1992b and concentrations of protein, free amino acid, and rna in the brain shashi et al. There have been over 23 human studies and 100 animal.
Fluoride consumption linked to diabetes using mathematical. National institute of dental research shows no relation. This study was a randomized, parallel group, controlled clinical trial. The associations between dietary intakes from 36 to 60 months of age and primary dentition noncavitated caries and cavitated caries. Pdf and full text html versions will be made available soon. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Nov 06, 2019 browse fluoride news, research and analysis from the conversation editions. Introduction to fluoride journal fluoride research. Association of downs syndrome and water fluoride level. Browse fluoride news, research and analysis from the conversation editions. This chapter evaluates the effects of fluoride on the nervous system and behavior, with particular. Fluoride consumption linked to diabetes using mathematical models. A 2003 study of fluoridation in colorado concluded that even in the current situation of widespread use of fluoride. The study was published in environmental health perspectives by scientists.