Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
권호 표지

A study on the Association between Mineral Concentration in Children′s Hair and Attention-Deficit Hyperactivity Disorder

아동의 모발 내 무기물 농도와 주의력결핍 및 과잉행동장애와의 상호연관성에 관한 연구

  • 유연아 (서울대학교 보건대학원 환경보건학과) ;
  • 정문호 (서울대학교 보건대학원 환경보건학과)
  • Published : 2004.03.01
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Abstract

Attention Deficit Hyperactivity Disorder (ADHD) is one of the most general childhood problems occurs locally and internationally, but the causes of ADHD are not cleared yet. Therefore, this study tried to examine some parts of the causes of ADHD closely, and finally contribute to the medical treatment of ADHD and its precautionary measures, by measuring and comparing concentration of minerals in hairs of the patients of ADHD and their control group's children. which can analyze the relevance to ADHD and the mineral content in human bodies, and mutual relations between toxic minerals and essential minerals in human bodies. After collection of hairs from 200 children(5 to 7-year-old, boys: 159 girls:41) diagnosed as ADHD by medical specialists based on the standard of DSM-IV diagnosis and their control group's 177 children(boys: 138 girls:39), the mineral concentration of samples was measured through ICP-MS and compared. And correlations between toxic minerals and essential minerals in human bodies among patients group was analyzed. All the toxic minerals(Pb, Hg, Al, Cd, As) of hairs analyzed in the study showed more higher range of concentration in patients group in comparison with their control group. Among them, the concentration of Pb(3.27 $\pm$ 3.82 ppm) and As(0.16 $\pm$ 0.15 ppm) in patients group were significantly high compared to their control group. And in this study Pb among toxic minerals showed negative correlation with Zn(r = -0.43), Mg(r = -0.15) among essential minerals. Cd among toxic minerals showed negative correlation with Zn(r = -0.20) among essential minerals. As among toxic minerals showed negative correlation with Ca(r = -0.14) among essential minerals.

Keywords

References

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