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  • Study: Chemicals Cause Neurobehavioral Effects

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    by Catherine J. Frompovich

    What are neurobehavioral effects and disabilities? you may be asking. They are negative health effects that include the following: autism, attention-deficit hyperactivity disorder, dyslexia, and other cognitive impairments, which are occurring with increasing frequency, especially in U.S. children along with millions of others on a global basis.

    Two physicians, Philippe Grandjean, MD, and Philip J Landrigan, MD, whose research in neurobehavioral effects was published in The Lancet Neurology March 2014 issue, state that industrial chemicals injure the developing brain and are the cause of their widespread rise.

    In their 2014 study, the doctors named manganese, fluoride, chlorpyrifos, dichlorodiphenyltrichloroethane, tetrachloroethylene, and the polybrominated diphenyl ethers that they added to five previous chemicals they wrote about in their 2006 paper: lead, methylmercury, polychlorinated biphenyls, arsenic, and toluene.

    It’s rather profoundly ironic that fluoride, which dentistry has touted as a prophylactic dental health benefit since the 1960s, is now being demonized as contributing to …

    The health effects of hazardous chemicals are often less clear than the physical hazards. Data on the health effects of chemical exposure, especially from chronic exposure, are often incomplete. When discussing the health effects of chemicals, two terms are often used interchangeably – toxicity and hazard. However, the actual meanings of these words are quite different. Toxicity is an inherent property of a material, similar to its physical constants. It is the ability of a chemical substance to cause an undesirable effect in a biological system. Hazard is the likelihood that a material will exert its toxic effects under the conditions of use. Thus, with proper handling, highly toxic chemicals can be used safely. Conversely, less toxic chemicals can be extremely hazardous if handled improperly.

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    Staff Writer

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