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- Original Article Association of Blood Mercury Level and Neurobehavioral Performance in Korean Elementary School Students
- Joon Sakong, Man Joong Jeon, Sung Ho Yun, Yun Chul Hong, Chul Gab Lee, Young Ki Kim, Mina Ha, Ho Jang Kwon
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DOI: https://doi.org/10.35371/kjoem.2010.22.4.324
Published online: December 31, 2010
1Department of Occupational and Environmental Medicine, Yeungnam University Hospital, Korea. jsakong@med.yu.ac.kr 
2Department of Preventive Medicine and Public Health, College of Medicine, Yeungnam University, Korea.
3Department of Occupational Medicine, Good Morning Hospital, Korea.
4Department of Preventive Medicine, College of Medicine, Seoul National University, Korea.
5Department of Preventive Medicine, College of Medicine, Chosun University, Korea.
6Department of Occupational Medicine, Busan National University Yangsan Hospital, Korea.
7Department of Preventive Medicine, College of Medicine, Dankook University, Korea.
2Department of Preventive Medicine and Public Health, College of Medicine, Yeungnam University, Korea.
3Department of Occupational Medicine, Good Morning Hospital, Korea.
4Department of Preventive Medicine, College of Medicine, Seoul National University, Korea.
5Department of Preventive Medicine, College of Medicine, Chosun University, Korea.
6Department of Occupational Medicine, Busan National University Yangsan Hospital, Korea.
7Department of Preventive Medicine, College of Medicine, Dankook University, Korea.
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Abstract
OBJECTIVES
This study was conducted to examine the effect of blood mercury on neurobehavioral performance in Korean elementary school students.
METHODS
We measured the blood mercury concentration in 1,077 elementary school students from Seoul, Busan, Daegu and Gwangju, then the students underwent computerized neurobehavioral test.
RESULTS
The mean concentration of blood mercury of study subjects was 2.10 microg/L. An increased blood mercury was associated with an increased reaction time in digit addition and symbol digit.
CONCLUSIONS
The blood mercury concentration of study subjects was very high compared to findings in a foreign country. We found several associations between blood mercury level and neurobehavioral performance.
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