NDLI: Prenatal and Early Childhood Exposure to Mercury and Methylmercury in Spain, a High-Fish-Consumer Country

Content Provider	Springer Nature Link
Author	Díez, Sergi Delgado, Sandra Aguilera, Inmaculada Astray, Jenaro Pérez Gómez, Beatriz Torrent, Maties Sunyer, Jordi Bayona, Josep M.
Copyright Year	2008
Abstract	Exposure to mercury, a risk factor for neurodevelopmental toxicity, was assessed in Spanish children (preschool children and newborns, n = 218) in a four-locations survey by performing mercury determination in hair. To assess the prenatal and children’s exposure and its potential risk, total mercury (THg) and methylmercury (MeHg) were analyzed and examined for associations with maternal sociodemographic characteristics and dietary intake through interviews and food frequency questionnaires. The mean THg in hair was 0.94 μg/g, ranging from 0.19 to 5.63 μg/g in preschool children and 1.68 μg/g (0.13–8.43 μg/g) in newborns. Associations between mercury levels in hair and fish consumption frequency were found regardless of the group evaluated. Neither other food item nor maternal covariates were associated with mercury levels in the newborn group. In children, the mean THg values among frequent fish consumers (more than four times per week) were almost threefold higher compared with non-consumers (1.40 vs. 0.49 μg/g). Newborns from mothers who had intake of fish two or more times per week exhibited nearly threefold higher hair levels than those who rarely or never consumed fish (2.26 vs. 0.78 μg/g). Finally, mercury levels in hair exceeded the EPA reference dose (RfD) of 0.1 μg Hg/kg body weight per day (equivalent to 1 μg Hg/g hair) in 42% of the population studied. Overall, we conclude that levels of mercury in Spain are among the highest in the non-exposed populations probably because of the relatively high fish consumption.
Starting Page	615
Ending Page	622
Page Count	8
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	56
Issue Number	3
e-ISSN	14320703
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-10-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environmental Monitoring/Analysis Soil Science & Conservation Environmental Chemistry Environmental Health Pollution Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Toxicology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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