Abstract
On the basis of routine EEG, this article used mapping technologies to conduct research on the brain electrical activities of mentally retarded children in high-fluoride regions. Results showed that the O energy percentages in the central, parietal, occipital, and left temporal areas of the mentally retarded group were significantly higher than those of the normal control group. The a energy percentages in the central and occipital areas were significantly lower than those of the control group. These abnormal changes in brain electrical activities were closely related to the high-fluoride environment. The degree of damage of fluoride to brain functions can be intuitively and visually understood via brain mapping
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Molecular mechanism of brain impairment caused by drinking-acquired fluorosis and selenium intervention
This study investigated the molecular mechanism of brain impairment induced by drinking fluoridated water and selenium intervention. Results showed that the learning and memory of rats in NaF group significantly decreased. Moreover, the number of apoptotic cells, the expression levels of Cytc mRNA and protein, and the expression levels of
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In vitro effects of fluoride and bromide on pseudocholinesterase and acetylcholinesterase activities
The in vitro effects of two metabolites of inhalational anaesthetics, fluoride and bromide, on pseudocholinesterase (PCHE) and acetylcholinesterase (ACHE) activities in the blood samples of seven healthy patients were studied. The PCHE and ACHE activities were determined by kinetic spectrophotometric methods. Fluoride at the levels achieved with clinical concentrations of
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DNA methylation and fluoride exposure in school-age children: Epigenome-wide screening and population-based validation.
Highlights Long-term fluoride exposure affects the genomic DNA methylation pattern in children. The methylation status of NNAT and CALCA are susceptible to long-term F exposure. NNAT gene methylation is negatively correlated with fluoride exposure. CALCA gene methylation and fluoride exposure are positively associated. Excessive fluoride exposure and epigenetic change can
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Protective role of maize purple plant pigment against oxidative stress in fluorosis rat brain.
Excerpts 1 Introduction Given the widespread presence of fluorine in the natural environment, individuals are exposed to fluoride via food intake, inhalation, and dermal contact. Drinking water represents the largest exposure source. In particular, in highly fluoridated regions and in some developed areas that fluoridate the public water supply to reduce dental
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The influence of chronic fluorosis on mitochondrial dynamics morphology and distribution in cortical neurons of the rat brain.
The present study was designed to evaluate the effects of chronic fluorosis on the dynamics (including fusion and fission proteins), fragmentation, and distribution of mitochondria in the cortical neurons of the rat brain in an attempt to elucidate molecular mechanisms underlying the brain damage associated with excess accumulation of fluoride.
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Fluoride: Developmental Neurotoxicity.
Developmental Neurotoxicity There has been a tremendous amount of research done on the association of exposure to fluoride with developmental neurotoxicity. There are 78 studies reporting reduced IQ (75 studies with children and 3 studies with adults) and several on the impaired learning/memory in animals. And there are studies which link
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Fluoride & IQ: 76 Studies
Note: See the Updated list of fluoride IQ studies at https://fluoridealert.org/researchers/fluoride-iq-studies/the-fluoride-iq-studies/ • As of July 18, 2022, a total of 85 human studies have investigated the relationship between fluoride and human intelligence. • Of these investigations, 76 studies have reported that elevated fluoride exposure is associated with reduced IQ in humans. • The studies
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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
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Fluoride's Direct Effects on Brain: Animal Studies
The possibility that fluoride ingestion may impair intelligence and other indices of neurological function is supported by a vast body of animal research, including over 40 studies that have investigated fluoride's effects on brain quality in animals. As discussed by the National Research Council, the studies have consistently demonstrated that fluoride, at widely varying concentrations, is toxic to the brain.
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NRC (2006): Fluoride's Neurotoxicity and Neurobehavioral Effects
The NRC's analysis on fluoride and the brain.
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