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NRC (2006): Fluoride’s Neurotoxicity and Neurobehavioral Effects
The NRC’s analysis on fluoride and the brain.
New Evidence on Fluoride and the Developing Brain
In 2007, the question of how fluoride affects the developing brain gained renewed attention from researchers around the world. Research teams from Brazil, China, India, Italy, Mexico, and the United States conducted important new analyses, including 3 new studies investigating fluoride’s impact on childhood IQ, and several new animal studies investigating fluoride’s effects on learning, memory, and behavior
Impact of Fluoride on Neurological Development in Children
In a meta-analysis, 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. 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.
Fluoride’s Neurobehavioral Effects in Humans & Animals
In addition to studies linking fluoride to reduced IQ in humans, and impaired learning/memory in animals, human and animal studies have also linked fluoride to a variety of other neurobehavioral effects. These studies, which are excerpted below, provide yet further evidence that fluoride is a neurotoxin. The importance of considering other indices of fluoride neurotoxicity […]
Fluoride’s Effect on Fetal Brain
The human placenta does not prevent the passage of fluoride from a pregnant mother’s bloodstream to the fetus. As a result, a fetus can be harmed by fluoride ingested pregnancy. Based on research from China, the fetal brain is one of the organs susceptible to fluoride poisoning. As highlighted by the excerpts below, three Chinese studies […]
Fluoride & IQ: The 52 Studies
As of September 2017, a total of 59 studies have investigated the relationship between fluoride and human intelligence, and over 40 studies have investigated the relationship fluoride and learning/memory in animals. Of these investigations, 52 of the 59 human studies have found that elevated fluoride exposure is associated with reduced IQ, while 45 animal studies have […]
Yet More Research on Fluoride & the Brain
A new study has just been published which further elucidates how fluoride may damage the brain. Specifically, the authors suggest that fluoride may reduce the number of “nicotinic acetylcholine receptors” by increasing the level of oxidative stress.
Breast-Feeding May Boost IQ
Children who were breast-fed exclusively for the first three months of life or longer scored nearly six points higher on IQ tests at the age of 6 than children who weren’t breast-fed exclusively, a new study has found.
Fluoride & Oxidative Stress: Yet More Evidence
As with Dr. Guan’s team at the Karolinska Institute, Chinoy’s team found that fluoride increased the level of oxidative stress in brains of the fluoride-treated animals.
Mullenix responds to EPA’s criticism
Mullenix’s response provides an excellent history of the research which led up to her study, and it takes particular exception to EPA’s critique of the computer pattern recognition system which she and her colleagues used to measure the rats’ behavior.