Abstract
The influence of fluorine administration on central nervous system’s (CNS) performances in female mice treated during gestation with two distinct doses of sodium fluoride (NaF): 0.25 mg and 0.50 mg. The research extended also to offspring (generation 1 – F1), treated with NaF in allopathic (0.25 and 0.50 mg), homeopathic (7CH) or with the association between the two types (allopathic and homeopathic) of doses. CNS performance modification was also assessed in the second generation offspring (F2), in which fluorine was exclusively taken from ascendant generations. Evaluation of CNS activity was performed by determining clearing time in classic maze (CM) at several time intervals (roughly 21 days between determinations). Experimental results showed that, in young offspring (1 – F1) from ascendants treated with the same substance, CNS performances in investigative capacity are influenced depending on dose, gender and age. Similar effect was recorded for homeopathic remedy 7CH for which the influence on CNS performance is strongly correlated to the stage of physical development of offspring and to doses of NaF administered to ascendants. The results of pharmacological tests correlate strongly to modifications noted during anatomical pathology examination of cerebral cortex.
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Effects of chronic fluorosis on the brain.
Highlights Reviewing the mechanism of brain injury caused by chronic fluorosis is of great significance for protecting residents in fluorosis endemic areas. Abstract This article reviews the effects of chronic fluorosis on the brain and possible mechanisms. We used PubMed, Medline and Cochraine databases to collect data on fluorosis, brain injury,
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[Effects of selenium on the damage of learning-memory ability of mice induced by fluoride].
Sodium fluoride added with or without selenite in deionized water was administered to male mice for 8 weeks. The influences of fluoride on learning-memory behavior were tested on Y-maze, and the ultrastructure of Gray 1 synaptic interface in the CA3 area hippocampus was qualitatively analyzed by electron microscopy and computer
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The effect of fluorine exposure of pregnant rats on the learning and memory capabilities of baby rats
Objective: Explore the effect and possible mechanisms of fluorine exposure of pregnant rats passing through placental barriers on the learning and memory capabilities of baby rats. Method: Open field behavior and a water maze test were used to observe the effects on the spontaneous behavior and learning and memory on baby
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Gut microbiota perturbations and neurodevelopmental impacts in offspring rats concurrently exposure to inorganic arsenic and fluoride.
Many “hot spot” geographic areas across the world with drinking water co-contaminated with inorganic arsenic (iAs) and fluoride (F-), two of the most common natural contaminants in drinking water. Both iAs and F- are known neurotoxins and affect neurodevelopment of children. However, very few studies have investigated the neurodevelopmental effects
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Neuroprotective influence of taurine on fluoride-induced biochemical and behavioral deficits in rats.
Highlights Influence of taurine was studied in rat model of fluoride neurotoxicity. Taurine reversed the fluoride-induced neurobehavioural deficits. Taurine decreased intracellular hydrogen peroxide and lipid peroxidation levels. Taurine reversed the fluoride-induced inhibition of acetylcholinesterase activity. Taurine may be a potential therapeutic agent in fluoride-mediated neurotoxicity. Epidemiological and experimental studies have
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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'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: 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'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 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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