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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

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1996

Prenatal Exposure to Polychlorinated Biphenyls (PCBs) Reduces IQ in Children

finger positioning letters to read IQ

Children's health researchers demonstrated that children who are exposed to relatively small amounts of PCBs before birth have higher rates of low-normal IQ scores, poor reading comprehension, and memory problems.

Tags: IQ, children's health

Citation:

Jacobson JL, Jacobson SW. 1996. Intellectual impairment in children exposed to polychlorinated biphenyls in utero. N Engl J Med 335(11):783-789. [Abstract] [Full Text]

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