Abstract

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  • Effects of high iodine and high fluorine on children’s intelligence and thyroid function.

    Objective: Try to find out the effects of high iodine and high fluorine on children’s intelligence and thyroid function. Methods: We selected in Qingyun County the Lidian Primary School, where the iodine and fluorine in the water are relatively high in concentration as the investigative point and Dading Primary School where the iodine and

  • [Effect of iodine and selenium on learning memory impairment induced by fluorosis and blood biochemical criterion of rats].

    [Objective] To investigate the effect of iodine and selenium on learning memory behavior impairment induced by fluorosis and blood biochemical criterion change of rats. To study the antagonism of iodine and selenium on fluorosis. [Methods] After the rats with fluorosis drinking water with different concentrations of iodine ( I)

  • Neuroprotective influence of taurine on fluoride-induced biochemical and behavioral deficits in rats

    Epidemiological and experimental studies have demonstrated that excessive exposure to fluoride induced neurodevelopmental toxicity both in humans and animals. Taurine is a free intracellular B-amino acid with antioxidant and neuroprotective properties. The present study investigated the neuroprotective mechanism of taurine by evaluating the biochemical and behavioral characteristics in rats exposed

  • Research on the effects of fluoride on child intellectual development under different environments

    Goal:  To study the effects of the fluoride and iodine content of drinking water on child intellectual development and the interaction between the two factors and also the relationship of educational factors to such development. Methods: The subjects of the investigation were 8- to 14-year-old children randomly selected from endemic areas as well

  • [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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  • Nutrient Deficiencies Enhance Fluoride Toxicity

    It has been known since the 1930s that poor nutrition enhances the toxicity of fluoride. As discussed below, nutrient deficiencies have been specifically linked to increased susceptibility to fluoride-induced tooth damage (dental fluorosis), bone damage (osteomalacia), neurotoxicity (reduced intelligence), and mutagenicity. The nutrients of primary importance appear to be calcium,

  • 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

  • Fluoride Exposure Increases Metabolic Requirement for Magnesium

    Fluoride's toxicity is significantly enhanced in the presence of nutritional deficiencies. Similarly, fluoride exposure increases the body's requirement for certain nutrients. An individual with a high intake of fluoride, for example, will need a proportional increase in calcium to avoid the mineralization defects (e.g., osteomalacia) that fluoride causes to bone

  • Fluoride & Rickets

    One of fluoride's most well-defined effects on bone tissue is it's ability to increase the osteoid (unmineralized bone) content of bone. When bones have too much osteoid, they become soft and prone to fracture -- a condition known as osteomalacia. When osteomalacia develops during childhood, it is called "rickets." The potential for fluoride

  • Fluoride Is Not an Essential Nutrient

    In the 1950s, dentists believed that fluoride was a “nutrient.” A nutrient is a vitamin or mineral that is necessary for good health. Dentists believed that fluoride ingestion during childhood was necessary for strong, healthy teeth. A “fluoride deficiency” was thus believed to cause cavities, just like a deficiency of calcium can