Children Exposed to More Brain-Harming Chemicals Than Ever Before

A new report finds the number of chemicals contributing to brain disorders in children has doubled since 2006

In recent years, the prevalence of developmental disorders such as autism, attention deficit-hyperactivity disorder (ADHD), and dyslexia have soared. While greater awareness and more sophisticated diagnoses are partly responsible for the rise, researchers say that the changing environment in which youngsters grow up may also be playing a role. [emphasis mine]

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In 2006, scientists from the Harvard School of Public Health and the Icahn School of Medicine at Mount Sinai identified five industrial chemicals responsible for causing harm to the brain – lead, methylmercury, polychlorinated biphenyls (found in electric transformers, motors and capacitors), arsenic (found in soil and water as well as in wood preservatives and pesticides), and toluene (used in processing gasoline as well as in paint thinner, fingernail polish, and leather tanning). Exposure to these neurotoxins was associated with changes in neuron development in the fetus as well as among infants, and with lower school performance, delinquent behavior, neurological abnormalities, and reduced IQ in school-aged children.

Now the same researchers have reviewed the literature and found six additional industrial chemicals that can hamper normal brain development. These are manganese, fluoride, chlorpyrifos, dichlorodiphenyltrichloroethane, tetrachloroethylene, and polybrominated diphenyl ethers. Manganese, they say, is found in drinking water and can contribute to lower math scores and heightened hyperactivity, while exposure to high levels of fluoride from drinking water can contribute to a seven-point drop in IQ on average. The remaining chemicals, which are found in solvents and pesticides, have been linked to deficits in social development and increased aggressive behaviors.

... the growing body of research that is finding links between higher levels of these chemicals in expectant mothers’ blood and urine and brain disorders in their children should raise alarms about how damaging these chemicals can be. The developing brain in particular, they say, is vulnerable to the effects of these chemicals, and in many cases, the changes they trigger are permanent. “The consequence of such brain damage is impaired [central nervous system] function that lasts a lifetime and might result in reduced intelligence, as expressed in terms of lost IQ points, or disruption in behavior,”...

“Our very great concern is that children worldwide are being exposed to unrecognized toxic chemicals that are silently eroding intelligence, disrupting behaviors, truncating future achievements, and damaging societies, ... [emphasis mine]

See also

Growing number of chemicals linked with brain disorders in children

Toxic chemicals may be triggering the recent increases in neurodevelopmental disabilities among children -- such as autism, attention-deficit hyperactivity disorder, and dyslexia.

Tags: mental and social impairment, pollutants

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Replies to This Discussion

Excellent post, I read it earlier today as well.  I find it interesting that Fluoride isn't listed as being found in water, but in solvents and pesticides.  Strange that they would omit that it is added to many municipal water supplies to protect teeth.  I wonder what if any change will take place with the use of fluoride in water supplies and toothpastes as a result of studies like this.

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