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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Dae-Seon (Division of Environmental Epidemiology, National Institute of Environmental Research) Yu, Seung-Do (Division of Environmental Epidemiology, National Institute of Environmental Research) Lee, Eun-Hee (Department of Health Science, Graduate School of Health Science, Far East University)
저널정보
대한독성유전단백체학회 Molecular & cellular toxicology Molecular & cellular toxicology 제6권 제1호
발행연도
2010.1
수록면
19 - 23 (5page)

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초록· 키워드

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This study was conducted to evaluate the effects of lead concentration in the blood on intelligence and personality in school children in Korea. This study was designed as a cross sectional study. The Korean Intelligence Test-Primary was administered to the 302 school age children (154 3rd-grade and 155 6th-grade) of three areas, urban, fishery, and agricultural area, Korea. Blood lead (Pb-B) was measured by means of atomic absorption spectroscopy equipped with graphite furnace atomizer. Geometric means of Pb-B for boys and girls were $2.79\pm1.58{\mu}g/dL$ and $2.54\pm1.51{\mu}g/dL$, respectively. No children exceeded Pb-B of $10{\mu}g/dL$ that is the recommended level of Pb-B in children by CDC, U.S.A. When the subjects were classified by median into two groups, upper and lower Pb-B groups, the IQ of upper and lower groups were $106.4\pm13.7$ and $110.0\pm14.9$ respectively. IQ score of upper group was lowered about 4 points than that of lower group. We founded that hyperactivity and autism score of Pb-B groups was higher than that of lower group. These results are coincident with the large-scale study results developed countries that chronic exposure to lead may reduce the intelligence of child. This study may provide the first suggestive evidence that Pb-B has an impact on childhood intelligence and personality in Korean children. It is necessary to consider the effects of other important factors, such as parental intelligence in the next study.

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