Did a new study officially declare that fluoride is a. Antifluoridationists flawed attacks on calgary study. Impact of fluoride on neurological development in children. The latest chapter comes from a large study that showed no benefit in longdistance prayer for strangers.
Center for disease control and the safe water foundation reported that 30,000 to. Fluoride appears to have caused bone cancer in rodents in a recently completed national toxicology progran ntp study, and the chemical is now at risk of being classified a carcinogen, according to internal documents and statements obtained from the. A study of young children in canada suggests those whose mothers. Now, in june of 2015, another landmark study has hit. The harvard study and the lancet paper open parachute. The study clearly demonstrated that deaths from cancer abruptly rose in as little as a year or two after fluoridation began. Gsas staff are working remotely and can be reached by email. Heres the harvard fluoride study briefly explained. 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. 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. The study also recruited a subset of 601 children 254 who lived in a nonfluoridated region, 180 who lived in a fluoridated region and 167 whose. Harvard study finds fluoride lowers iq published in federal. Weve been convinced by the dental associations, who profit on the production and dissemination of fluoride, that the neurotoxin needs to be a part of all our dental visits and ingested through our natural water resources.
When subsequent studies showed a significantly lower rate of cavities in. Harvard study finds fluoride reduces childrens iqs ivl. Nov 25, 20 anti fluoride groups often cite this finding out of context. Weve been convinced by the dental associations, who profit on the production and dissemination of fluoride, that the neurotoxin needs to be a part of all our dental visits and ingested through our natural water. Jul 15, 2016 a harvard study doesnt disprove racial bias in officerinvolved shootings the new york times inaccurately reported an unvetted working paper as a harvard study that disproved the claim. Public health program is rolled out based on flawed study on the basis of this one incomplete and scientifically fraudulent study, the united states was on its way to fluoridation. Join the fight to get fluoride out of drinking water.
Oct 01, 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. A harvard study doesnt disprove racial bias in officer. No, the harvard study did not confirm fluoride reduces childrens iq physiologically. Some studies suggested that even slightly increased fluoride. Sep 11, 2012 the harvard scientists did not gather the original data for the paper they published in july, titled developmental fluoride neurotoxicity. Fluoride is a powerful ally in your fight against tooth decay. And that journal is published by the federal government us dept of hhs. July 25, 2012 for years health experts have been unable to agree on whether fluoride in the drinking water may be toxic to the developing human brain.
Understanding potential selection into police data sets due to bias in who police interacts with is a dicult endeavor. Aug 19, 2019 an influential medical journal published a study monday that links fluoride consumption during pregnancy. Book explores the fall and rise of wolves at yellowstone, and how the. Mar 15, 2018 this particular study was focused on the effects of fluoride in developing childrens neurodevelopment. The cochrane report also concluded that early scientific investigations on water fluoridation most were conducted before 1975 were deeply flawed. Feb 27, 2016 the fluoride action network fan claims the study is fatally flawed and that key data was omitted.
No other studies have been completed by the government, and the public health service today continues to actively promote fluoride and liberally offers grants to communities who want to put in expensive fluoridation equipment. Moreover, fluoride itself may be dangerous at high levels. Dench gets dark harvard university the graduate school of. A call for reducing fluoride levels in drinking water news. The study measured the maternal urinary fluoride levels in 512 women across. Yiamouyiannis book, fluoride, the aging factor, documents the cumulative effect of tissue damage by fluoride, commonly seen as aging collagen damage, skin rashes and acne, gastrointestinal disorders, and many other conditions, including osteoporosis. Center for disease control and the safe water foundation reported that 30,000 to 50,000 excess deaths occur in the united states each year in areas in which the water contains only one ppm fluoride. As a result, they added several more toxins to the list. Ioannidiss stance on whether fluoride exposure during pregnancy is a bad thing for the iq. Hardy limeback, professor emeritus and former head, preventive dentistry faculty of dentistry, university of toronto read the letter. Aug 19, 2019 a canadian study suggests that fluoride consumed by pregnant women can affect the iq of their children. Harvard study shows fluoride reduces childrens intelligence. A recently published 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.
Sep 22, 2017 while the study is stronger than many used to draw a connection between iq and fluoride in the past, it is a single study that has yet to be replicated, and it was performed in areas without water. Joining and leaving a practice ebook amalgam recycling faq. Harvard researchers have linked fluoride to these mental. Fluoride lowers iq in kids, new study shows the new american. Harvard study finds fluoride lowers iq published in. Over nearly 80 years, harvard study has been showing how. Fluoride can also become concentrated in bonestimulating bone cell growth, altering the tissues structure, and weakening the skeleton.
In other words, how fluoride may affect the development of a childs brain. Seymour and ada address unreliable claims about water fluoridation there is so much rubbish written about the harvard study and the lancet paper by antifluoride campaigners. In its 2006 report on fluoride, the national research council noted that if fluoride might be linked to cancer, osteosarcoma was the most likely type of cancer because fluoride tends to concentrate in bone. Antifluoridation bad science sciencebased medicine. Fluoride research had its beginnings in 1901, when frederick mckay was astounded to find. No single study provides definitive answers, but the findings will no doubt stir debate. Section 3 attempts to help get a sense of potential bias in police interactions. Thus, studies in children have reported deficient thyroid functions. Water fluoridation frequently asked questions the pew. Heres the harvard fluoride study briefly explained aquagear. But the video above provides a short description of why these claims are wrong.
A recentlypublished harvard university metaanalysis funded by the national institutes of health nih has concluded that children who live in areas with highlyfluoridated water have significantly lower iq scores than those who live in low fluoride areas. Harvard says fluoridated water is causing adhd, autism. Apr 11, 2017 second in an occasional series on how harvard researchers are tackling the problematic issues of aging w hen scientists began tracking the health of 268 harvard sophomores in 1938 during the great depression, they hoped the longitudinal study would reveal clues to leading healthy and happy lives. In addition, a report published in the journal of hazardous materials by university researchers indicated that even fluoride levels that are below the epa limit. Fluoridated water during pregnancy linked to lower iqs, study. Daniel schacter, a professor of psychology at harvard university, described the most common ways that normal memory fails us in his book the seven sins of memory. Memory, it seems, is inherently flawed and in more ways than you might think. After the harvard study was published several other scientific and medical institutions called the study flawed. Harvard study confirms fluoride reduces childrens iq. Fluoride consumption during pregnancy may affect child. Feb 16, 2019 harvard study confirms fluoride reduces childrens iq at least when it comes to topical application, you have a choice. Mar 10, 2015 some of the controversy between scientists, dental professionals, anti fluoride activists, town officials, and others in massachusetts and across the u. Harvard university research revives use of decadesold. A 2012 harvard study reported a link between high fluoride levels found in naturally occurring water in china and lower iqs.
A new video featuring dr brittany seymour, harvard school of dental medicine, debunks unreliable claims about water fluoridation. Impact of fluoride on neurological development in children news. Health and human services hhs proposal for lowering fluoride levels in u. A call for reducing fluoride levels in drinking water. A recentlypublished harvard university metaanalysis funded by the national institutes of health nih has concluded that children who live in areas with highlyfluoridated water have significantly lower iq scores than those who live in low fluoride areas in a 32page report that can be downloaded free of charge from environmental. How hazardous waste ended up in our drinking water and the bad. We already know how dangerous fluoride is and how it isnt needed at all. The local fan organisation fluoride free new zealand ffnz has gone further claiming the study is basically a fraud. Antifluoridationists flawed attacks on calgary study open. Fluoride action network harvard study finds fluoride lowers iq.
In this study, the children receiving the 38% silver diamine fluoride once a year, had the best results with a higher amount of arrested caries than children that used other treatments. Brittany seymour, a harvard school of dental medicine. Gsass physical spaces are closed due to the covid19 pandemic. Sep 03, 2019 as of february 2021, a total of 76 studies have investigated the relationship between fluoride and human intelligence. Echoing the recent findings of another harvard study suggesting that fluoride is associated with drastic reductions in the iq of children, the lancet journal report classified the chemical as a. The study measured the maternal urinary fluoride levels in 512 women across 10 canadian cities during each trimester of their pregnancies as well as the selfreported fluoride intake from 400 women. And frankly, such a memory can be a burden rather than a blessing. A study provided by the lancet showed that fluoride is a neurotoxin which causes developmental toxicity. In this study we found a significant doseresponse relation between fluoride level in serum and childrens iqthis is the 24th study that has found this association, but this study is stronger than the rest.
In a metaanalysis, researchers from harvard school of public health hsph. Will the latest harvard backed study be ignored by major public health organizations, or. Ioannidiss stance on whether fluoride exposure during pregnancy is a. In this study, each child was placed into one of five groups.
Studies that measured the health of childrens teeth after to 15 years showed a drop of 50% to 70% in the level of tooth decay. We had concerns about the methods used, or the reporting of the results, in 97 percent of the studies, the authors noted. Harvard study finds fluoride lowers iq published in federal govt. The children in high fluoride areas had significantly lower iq than those who lived in low fluoride areas, write choi et al.
Over nearly 80 years, harvard study has been showing how to. Study raises questions about fluoride and childrens iq the. Top medical journal labels fluoride a neurotoxin the new. Now is the time to make this a wellknown study, instead. On july 24, 2012 harvard released a study in the federal government journal concluding fluoride lowers iq. 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. But researchers at the harvard school of public health and icahn school of medicine wanted to dig even deeper. Researchers from harvard school of public health hsph and china medical university in shenyang contributed to the study. Jan 28, 20 yiamouyiannis book, fluoride, the aging factor, documents the cumulative effect of tissue damage by fluoride, commonly seen as aging collagen damage, skin rashes and acne, gastrointestinal disorders, and many other conditions, including osteoporosis. Fluoride seems to fit in with lead, mercury, and other poisons that cause chemical brain drain, noted senior study author philippe grandjean, a professor of environmental health at harvard. Will the latest harvard backed study be ignored by major public health organizations, or will serious change be initiated. A harvard study released in july 2011 found there was not a link between fluoride and osteosarcoma, a bone cancer.
Of these investigations, 68 studies have found that elevated fluoride exposure is associated with reduced iq in humans, while over 60 animal studies have found that fluoride exposure impairs the learning andor memory capacity of animals. Excessive fluoride causes fluorosischanges in tooth enamel that range from barely noticeable white spots to staining and pitting. Letters in response to is fluoridated drinking water safe. Study links fluoridated water during pregnancy to lower iqs. Michael lennon, professor emeritus in dental public health. A fluoride study released in 2008 by the nanjing university school of medicine found a consistent and strong association between the exposure to fluoride in water and low iq. We have the best research hospitals in the world, he said. Extremely high levels of fluoride are known to cause neurotoxicity in adults, and negative impacts on memory and learning have been reported in rodent studies, but little is known about the substances impact on childrens neurodevelopment. You can easily buy fluoride free toothpaste and mouthwash. The other study mentioned in this article took place in china with a sample size of 375 children. I have written several detailed articles about that here.
This study didnt, we need to stress right from the start, look at the power of personal prayer, prayer for a loved one, or the kinds of congregational prayer that. Serious even slanderous accusations lets see if those charges hold up. Flawed study overstates link between fluoride and ill health. Although acute fluoride poisoning may be neurotoxic to adults, most of the epidemiological.
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