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The associations between blood mercury levels and shark meat intake among workers in Gyeongsangbuk-do
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Gun Il Park, Young Seok Byun, Man Joong Jeon, Joon Sakong
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Ann Occup Environ Med 2017;29:29. Published online June 27, 2017
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DOI: https://doi.org/10.1186/s40557-017-0185-9
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Abstract
PDFPubReaderePub
- Background
Shark meat is used as sacrificial food in Gyeongsangbuk-do, and is a major source of dietary mercury. This study aimed to evaluate the effects of shark meat intake or the ritual of Jesa on blood mercury levels within workers living in Gyeongsangbuk-do. MethodsThis study was conducted from September 2016 to October 2016 in two cities of Gyeongsangbuk-do. To compare the differences between urban and rural areas, two workplaces each in Daegu as the urban area and Yeongcheon as the rural area were selected. General characteristics and characteristics related to shark meat consumption of the workers were acquired by personal interviews during their health examination. Blood mercury concentrations were analyzed by the gold amalgamation method using a direct mercury analyzer (DMA-80; Milestone Inc., Shelton, CT, USA). ResultsThe shark consumption group had a higher blood mercury concentration than the non-consumption group. The levels of blood mercury increased with the frequency, annual intake, as well as most recent date of shark meat consumption. Moreover, the levels of mercury in blood increased according to the annual frequency of participation in Jesa (times per year) and the annual frequency of shark meat consumption during Jesa (times per year). ConclusionsShark meat intake and the ritual of Jesa contributed to an increase in the blood mercury levels of workers in Gyeongsangbuk-do. Therefore, it is necessary to evaluate dietary exposure, occupational as well as other factors that may influence blood mercury concentrations in workers during their health examination, particularly in regions with high mercury exposures.
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Citations
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- Association between Blood Mercury and Seafood Consumption in Korean Adults: KoNEHS Cycle 4 (2018~2020)
Ji-Eun Oh, Tae-Hyeong Kim, Eun-Hee Lee Biomedical Science Letters.2024; 30(1): 24. CrossRef - Association of Blood Mercury Level with Liver Enzymes in Korean Adults: An Analysis of 2015–2017 Korean National Environmental Health Survey
Jin-Wook Chung, Dilaram Acharya, Jitendra Kumar Singh, Joon Sakong International Journal of Environmental Research and Public Health.2023; 20(4): 3290. CrossRef - Increase of blood mercury level with shark meat consumption: A repeated-measures study before and after Chuseok, Korean holiday
Kiook Baek, Chulyong Park, Joon Sakong Chemosphere.2023; 344: 140317. CrossRef - Mercury concentration in shark meat from traditional markets of Gyeongsangbuk-do, South Korea
Han Cheol Heo, Yeon Hee Lim, Young Seok Byun, Joon Sakong Annals of Occupational and Environmental Medicine.2020;[Epub] CrossRef - Mercury poisoning in a fisherman working on a pelagic fishing vessel due to excessive tuna consumption
Ji-Sung Ahn, Kyung Wook Kang, Won-Yang Kang, Hyeong-Min Lim, Seunghyeon Cho, Jai-Dong Moon, Won-Ju Park Journal of Occupational Health.2018; 60(1): 89. CrossRef
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The association between blood cadmium level, frequency and amount of gejang (marinated crab) intake
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Chang Yul Choi, Gun Il Park, Young Seok Byun, Man Joong Jeon, Kwang Hae Choi, Joon Sakong
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Ann Occup Environ Med 2016;28:23. Published online May 14, 2016
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DOI: https://doi.org/10.1186/s40557-016-0109-0
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Abstract
PDFPubReaderePub
- Background
Gejang (marinated crab) is a favorite traditional food and a main source of crab intake among Koreans. The present study aimed to identify the possibility of cadmium inflow to the body through gejang; accordingly, the relationship between gejang intake frequency and amount, and blood cadmium concentrations was investigated. MethodsUsing data from the first Korea National Health and Nutrition Examination Survey in the sixth period in 2013, means and standard errors of blood cadmium concentrations in relation to gejang intake frequency and amount, as well as the monthly intake of gejang, were obtained from 1381 participants for whom data regarding blood cadmium concentration measurements was available. ResultsAfter adjustment for confounding factors, a gejang intake frequency of four or fewer times per week and a monthly intake of 200 cm3 or less had no significant effect on blood cadmium concentrations. However, participants with gejang intake of at least five times per week had a weighted mean cadmium concentration of 2.12 μg/L (p < 0.001), and participants who had a gejang monthly intake of more than 200 cm3 had a weighted mean cadmium concentration of 1.76 μg/L (p < 0.001). ConclusionThese results suggest that to minimize the effect of gejang consumption on blood cadmium level, gejang intake should be limited to four or less times per week and 200 cm3 or less per month. Weekly intake of at least five times and monthly intake of more than 200 cm3 may increase blood cadmium levels.
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Citations
Citations to this article as recorded by
- Relationship between crustacean consumption and serum perfluoroalkyl substances (PFAS): the Korean National Environmental Health Survey (KoNEHS) cycle 4
Sung Woo Huh, Seong-yong Cho, Seongyong Yoon, Daehwan Kim, Hyun Woo Park, Jisoo Kang, Keon Woo Kim Annals of Occupational and Environmental Medicine.2024;[Epub] CrossRef - A Systematic Review on Metal Dynamics and Marine Toxicity Risk Assessment Using Crustaceans as Bioindicators
Paloma de Almeida Rodrigues, Rafaela Gomes Ferrari, Lilian Seiko Kato, Rachel Ann Hauser-Davis, Carlos Adam Conte-Junior Biological Trace Element Research.2022; 200(2): 881. CrossRef - Regular crabmeat consumers do not show increased urinary cadmium or beta-2-microglobulin levels compared to non-crabmeat consumers
Karlee N. Dyck, Shabina Bashir, Graham W. Horgan, Alan A. Sneddon Journal of Trace Elements in Medicine and Biology.2019; 52: 22. CrossRef
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Effects of computer familiarity and computer type on the performance of Korean computerized neurobehavioral test
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Nak Joon Baek, Gun Il Park, Young Seok Byun, Man Joong Jeon, Joon Sakong
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Ann Occup Environ Med 2016;28:44. Published online September 9, 2016
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DOI: https://doi.org/10.1186/s40557-016-0129-9
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Abstract
PDFPubReaderePub
- Background
It is thought that computer familiarity has increased significantly since 2004 as well as the use of computers. This study aimed to evaluate the effects of computer familiarity and types of keyboard and computer on the performance of the Korean computerized neurobehavioral test (KCNT), and to identify which parameters of KCNT were affected by aforementioned factors. MethodsA total of 85 subjects were classified into three groups of computer familiarity by Korean typing speed. Their age, gender and the level of education were also collected. The parameters of KCNT included simple reaction time, choice reaction time, addition, symbol digit, and finger tapping speed. The test was conducted using three types of computers: a laptop computer, a laptop computer with a simplified keyboard, and a desktop computer with a simplified keyboard. ResultsParameters including the simple reaction time, choice reaction time, addition, and symbol digit, and the finger tapping speed of non-dominant hand showed no significant differences in the results among the three groups by computer familiarity after age and educational years were controlled as covariates. The mean reaction time of the simple reaction time and the choice reaction time with a simplified keyboard was significantly shorter compared to that with a typical keyboard. With regard to type of computer, the mean reaction time of the simple reaction time and the choice reaction time was significantly reduced when performed with the desktop computer with a simplified keyboard. ConclusionsUnlike previous study results, the choice reaction time, the addition, and the finger tapping speed of dominant hand were the only parameters affected by the computer familiarity. Both the type of keyboard and the type of computer significantly influenced the simple reaction time and the choice reaction time. Therefore, it is recommended to use a desktop computer with a simplified keyboard for such parameters.
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Citations
Citations to this article as recorded by
- Participation and engagement in online cognitive testing
Daniel Radosław Sokołowski, Jasmine Pani, Tor Ivar Hansen, Asta Kristine Håberg Scientific Reports.2024;[Epub] CrossRef - Performance assessment on the Korean Computerized Neurobehavioral Test using a mobile device and a conventional computer: an experimental study
Young Seok Byun, Sung Kyu Park, Joon Sakong, Man Joong Jeon Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
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