Abstract
The aim of this study was to evaluate the effects of fluoride on anxiety and depression in mice. Control and study groups were formed with ten 4-month-old male Swiss mice in each group. For 90 days, mice in the control group were given drinking water containing 0.3 ppm fluoride while the study group was given water with 40 ppm fluoride. Tail suspension was not significantly different between the study and the control groups. In an open field test, however, the number of defecations was higher in the study group, and transitions, rearing, and grooming activities were less frequent. Under these conditions, fluoride appeared to have no antidepressant effect in mice but rather an anxiety stimulating effect.
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Corrigendum to Association of water fluoride and urinary fluoride concentrations with attention deficit hyperactivity disorder in Canadian youth.
Julia K. Riddell, Ashley J. Malin, David Flora, Hugh McCague, Christine Till Association of water fluoride and urinary fluoride concentrations with attention deficit hyperactivity disorder in Canadian youth Environment International, Volume 133, Part B, December 2019, Pages 105190 Download PDF Riddell et al. [Environ Int 2019; 133(Pt B): 105190], have reported an error in
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Sodium fluoride affects zebrafish behaviour and alters mRNA expressions of biomarker genes in the brain: Role of Nrf2/Keap1
Highlights Sodium fluoride (NaF) treatment changed the behaviour of zebrafish. Expression of antioxidant genes was upregulated. Expression of Nrf2 and its related genes were also altered. Results indicated that Nrf2 plays a significant role in NaF induced neurotoxicity. Sodium fluoride (NaF), used as pesticides and for industrial purposes are deposited
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Histological effects of fluoride on cerebrum of adult albino rats.
The pilot study was conducted on 10 adult albino rats of either sex 150 - 200gm each. Two equal groups of control and experimental was made. The control group received food and water ad libitum whereas experimental group received 30 ppm of NaF for 8 weeks. The macroscopic features like
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Neurotoxicity of sodium fluoride in rats
Fluoride (F) is known to affect mineralizing tissues, but effects upon the developing brain have not been previously considered. This study in Sprague-Dawley rats compares behavior, body weight, plasma and brain F levels after sodium fluoride (NaF) exposures during late gestation, at weaning or in adults. For prenatal exposures, dams
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Protective effects of aqueous extract of fruit pulp of Tamarindus indica on motor activity and metabolism of the gastrocnemius muscle of rats treated with fluoride
This study reports the protective effects of tamarind ingestion against fluoride induced changes on motor activity and metabolism of Gastrocnemius muscle (GM) of rats. The male Wistar rats were divided into four groups - control, fluoride treated i.p. (20 mg NaF/Kg bw) and Tamarind (Tamarindus indicus III -150mg/kg bw and
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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 over 60 studies reporting reduced IQ in children and several on the impaired learning/memory in animals. And there are studies which link fluoride to Attention Deficit Hyperactivity Disorder. Teaching
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Fluoride Affects Learning & Memory in Animals
An association between elevated fluoride exposure and reduced intelligence has now been observed in 65 IQ studies. Although a link between fluoride and intelligence might initially seem surprising or random, it is actually consistent with a large body of animal research. This animal research includes the following 45 studies (out
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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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