Jul 20, 2012 a recent experimental study where the rat hippocampal neurons were incubated with various concentrations 20 mgl, 40 mgl, and 80 mgl of sodium fluoride in vitro showed that fluoride neurotoxicity may target hippocampal neurons zhang m et al. On average, children with higher fluoride exposure showed poorer performance on iq tests. 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. A call for reducing fluoride levels in drinking water news harvard. 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. Fluoride action network harvard study finds fluoride lowers iq. Editor, harvard school of public health magazine harvard t. Few older studies addressed potential risks, or the lack thereof.
December 19, 2014 as a followup, philippe grandjean, adjunct professor of environmental health at harvard school of public health hsph, anna choi, research scientist in the department of environmental health, and colleagues have published a pilot study of cognitive functions in chinese children exposed to different levels of fluoride. Dental caries is still one of the major public health problems. An inconclusive animal study conducted 20 years ago first raised the question of an association between fluoride and osteosarcoma. They found evidence of damage to the brain and suggested this area desperately needs more study. Indexes and back issues indexes cumulative subject and author indexes are available for 1968 to 2002 and annual indexes for 2003 to201 7. Harvard study confirms fluoride harms brain development iaomt. Now, a controversial new study links fluoridation to lower iq in young children. This new study adds to an already strong base of scientific evidence that fluoride is safe and effective at preventing cavities, dr. Msm mainstream media finally comes clean on harmful effects of mass fluoridation harvard study confirms fluoride reduces childrens iq imagine for a moment, finding out that youve been drugged for your entire life without your consentthat a vital resource which you and every other human being needs in order to survive was consistently and deliberately laced with this chemical.
Plus, new documents obtained from under the freedom of information act. Feb 11, 2014 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. Jul 27, 2005 did harvard study downplay risk of fluoride. The cbj fluoride study commission was created by motion of the assembly and. After the discovery of fluoride as a cariespreventing agent in the. Two of the scientists who compiled the harvard study on fluoride said it really doesnt address the safety of fluoridation levels typical of american drinking water. 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. 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 cognitive. Discuss the repercussions of inappropriate fluoride supplement use. Study raises questions about fluoride and childrens iq the. Nov 17, 2015 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. Nov 25, 20 antifluoride groups often cite this finding out of context. Anyone interested in a pdf file of this nexus articles, send me a pm with.
A recent experimental study where the rat hippocampal neurons were incubated with various concentrations 20 mgl, 40 mgl, and 80 mgl of sodium fluoride in vitro showed that fluoride neurotoxicity may target hippocampal neurons zhang m et al. Water fluoridation myths just another blog article when i was a kid probably 6 or 7, there was a big controversy in our community whether the water would be fluoridated or not. A team of researchers found a statistically significant association between fluoride exposure in women during pregnancy and a lowering of iq in their children. When considering the risks and benefits of fluoride exposure, the. You can easily buy fluoridefree toothpaste and mouthwash. Beginning in the early 20th century, scientists linked high levels of naturally occurring fluoride in certain community water supplies to low levels of tooth decay. The study was published in environmental health perspectives by scientists. But youre stuck with whatever your community puts in the water, and its very difficult to filter out of your water once its added. Fluoride in drinking water position statement board of. Several studies from china indicate that fluoride consumption lowers iq in children. The most effective way of caries prevention is the use of fluoride. Fluoride interferes with the pineal and thyroid gland functions. Describe the importance of fluoride in terms of dental decay. Harvard study confirms fluoride reduces childrens iq huffpost life.
About the harvard westernsydu style the harvard westernsydu style is one of a number of styles of referencing or bibliographic citation that is used widely for academic writing. Chan school of public health office for external relations 90 smith street, fourth floor boston, ma 02120 dear ms. At least four more studies finding a link between fluoride exposure and decreased intelligence iq of children were published this year, putting the total number of such studies at 25. Impact of fluoride on neurological development in children news. The results of the first ever us government funded study of fluoride and iq have just been published. When subsequent studies showed a significantly lower rate of cavities in schoolchildren, water fluoridation spread to other towns and cities. Fluoride can also become concentrated in bonestimulating bone cell growth, altering the tissues structure, and weakening the skeleton. On behalf of the american association of public health dentistry aaphd, the american public health association. Malik, harvard school of public health, for the helpful advice on the.
The nrc investigated the neurologic effects of fluoride on the brain. Bassin looked at the boys and girls used in douglass study and verified fluoride levels in tap water for each year of the childs life. Mar 09, 2014 the study demonstrated that deaths from cancer abruptly rose in as little as a year or two after fluoridation began. Do you take any of these 11 dangerous cholesteroldrugs. Harvard study confirms fluoride reduces childrens iq reddit. No, the harvard study did not confirm fluoride reduces childrens iq physiologically. Water fluoridation myths just another blog article. Fluoride is an element that has antitooth decay properties but also shares some properties with iodine. Harvard study confirms fluoride reduces childrens iq as reported by huffington post as of apr. It was a meta analysis of the preexisting studies many which the authors admit are flawed and proposes a link between high fluoridated areas and a very low, enough to be within iq testing errors, but statistically significant change in iq. Fluoride released into the ground water in china in some cases greatly exceeded levels that are typical in the u.
Our study summarized the findings of 27 studies on intelligence tests in fluorideexposed children. Although acute fluoride poisoning may be neurotoxic to adults, most of the epidemiological. 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 cognitive development in children. Today, fluoridated water flows through the taps of about 5% of the worlds. Fluoride lowers iq and causes other health problems. Longlost research linking fluoride to cancer has resurfaced in a dutch film clip featuring dr.
Now, i was just becoming fascinated by science, medicine, health, and sports at that time, so i tried to figure out what was happening. Extremely high levels of fluoride are known to cause neurotoxicity in adults. Antifluoridation bad science sciencebased medicine. A study of young children in canada suggests those whose mothers drank fluoridated. Now, one of the worlds most prestigious medical journals lancet has published a harvard study showing that fluoride is one of the chemicals which can increase autism and attention. Followup fluoride study published december 19, 2014 as a followup, philippe grandjean, adjunct professor of environmental health at harvard school of public health hsph, anna choi, research scientist in the department of environmental health, and colleagues have published a pilot study of cognitive functions in chinese children exposed to different levels of fluoride from 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. This guide covers basic explanations and examples for the most comm on types of citations used by students. 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. Impact of fluoride on neurological development in children. Drinking fluoridated water during pregnancy may lower iq in sons. For the first time combined 27 studies and found strong indications that fluoride may adversely affect cognitive development in children fluoride reduces iq harvard study vidhole menu. Fluoride can increase autism and attention deficit.
Harvard study confirms fluoride harms brain development. Grandjean hopes that more studies can be done on the potential health effects of water fluoridation. In 1945, grand rapids, michigan, became the first community in the world to add fluoride to tap water. Fluoride supporters gathered more than 11,000 signatures in favor of fluoridated water, forcing the city council to put it to a vote on the nov. Study models and casts used in planning treatment once each 60 months periodic or routine oral exams once each six months emergency exams preventive routine cleaning, scaling, and polishing of the teeth once each six months fluoride treatment once each six months members under age 19 sealants on permanent premolar and. These studies, nearly all of them from china, explored whether there were associations between fluoride and childrens iq scores. Mar 25, 2016 appropriate oral health care is fundamental for any individuals health. Harvard study confirms fluoride reduces childrens iq.
Despite the dental benefits, water fluoridation has been a controversial subject as high fluoride exposure has been associated with hypothyroidism. 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. Perhaps most worrisome is preliminary research in laboratory animals suggesting that high levels of fluoride may be toxic to brain and nerve cells. Dean burk, cofounder of the us national cancer institute and head of its cytochemistry department for over 30 years. The results support the possibility of an adverse effect of high fluoride exposure on childrens neurodevelopment. Harvard study confirms fluoride reduces childrens iq csglobe. Pdf a comparative study of fluoride content in commercially. Multiple epidemiological studies of developmental fluoride. The list of vitamins and minerals below can give you an understanding of how particular different types of vitamins and minerals work in your body, how much of each nutrient you need every day, and what types of food to eat to ensure that you are ge. At least when it comes to topical application, you have a choice. Fluoride has immunosuppressive effects at low dosages, which can raise your risk of chronic disease, including cancer. The documents that sparked national headlines and a yearlong investigation into scientific misconduct by the harvard dental professor who led nihs ongoing study of fluoride and bone cancer.
1427 770 711 811 1485 372 1327 1503 555 175 289 1411 1015 261 1401 173 661 66 1255 460 1489 81 33 1111 547 702 574 127 831 1287 536 1215 1336 552 388 431