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Studies of relationships between the polymorphism of COMT gene and plasma proteomic profiling and children’s intelligence in high fluoride areas
Part I – Effect of high F drinking water on children’s IQ Objective: To investigate the relationships among the children’s serum F, urine F, thyroid hormone levels and children’s IQ in the high fluoride areas. Methods: We collected the samples of the drinking water, urine and blood and measured the F concentrations,
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Arsenic and fluoride co-exposure through drinking water and their impacts on intelligence and oxidative stress among rural school-aged children of Lahore and Kasur districts, Pakistan.
Arsenic (As), and fluoride (F-) are potent contaminants with established carcinogenic and non-carcinogenic impacts on the exposed populations globally. Despite elevated groundwater As and F- levels being reported from various regions of Pakistan no biomonitoring study has been reported yet to address the co-exposure impact of As and F- among
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Carica Papaya leaf extract as a neuroprotective agent against behavioral and neurotransmitter changes in brain of the rat treated with sodium fluoride in pre- and post-natal periods.
Background: Fluoride is an excitotoxin challenging the excitatory receptors and activate them continuously and also in proliferation of reactive oxygen and nitrogen species leading to neurodegeneration and its associated dysfunction. Chronic exposure to 20ppm sodium fluoride to pregnant rats is proven to be neurotoxic for the developing pups. Carica papaya
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Expanding the test set: Chemicals with potential to disrupt mammalian brain development.
Highlights The manuscript describes results from a literature review of peer-reviewed studies and regulatory documents. The purpose of the literature review was to evaluate the amount of evidence available for chemicals that have been reported to alter brain development in test animals and/or humans. This information can be used
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[Effects of high fluoride and low Iodine on learning-memory and TchE of brain in offspring rats].
Objective To study the effect of high level fluoride and low level iodine on learning-memory in offspring rats and possible mechanism. Methods Thirty-two Wistar rats were randomly divided into four groups each of eight (female:male=(3:1).) The rats were treated with high fluoride (100 and 150 mg NaF/L), low iodine (0.0855 mg/kg),
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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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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 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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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'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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