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Mental Retardation and Prenatal Methylmercury Toxicity by Leonardo Trasande; Clyde B. Schechter; Karla A. Haynes; Philip J. Landrigan is a Medicine article available to read on EtoBox.

What is Mental Retardation and Prenatal Methylmercury Toxicity about?

## Background: Methylmercury (mehg) is a developmental neurotoxicant; exposure results principally from consumption of seafood contaminated by mercury (hg). in this analysis, the burden of mental retardation (mr) associated with methylmercury exposure in the 2000 u.s. birth cohort is estimated, and the portion of this burden attributable to mercury (hg) emissions from coal-fired power plants is identified. ## Methods: The aggregate loss in cognition associated with mehg exposure in the 2000 u.s. birth cohort was estimated using two previously published dose-response models that relate increases in cord blood hg concentrations with decrements in iq. mehg exposure was assumed not to be correlated with native cognitive ability. previously published estimates were used to estimate economic costs of mr caused by mehg. ## Results: Downward shifts in iq resulting from prenatal exposure to mehg of anthropogenic origin are associated with 1,566 excess cases of mr annually (range: 376-14,293). this represents 3.2% of mr cases in the us (range: 0.8%-29.2%). the mr costs associated with decreases in iq in these children amount to $2.0 billion/year (range: $0.5-17.9 billion). hg from american p

Who reads Mental Retardation and Prenatal Methylmercury Toxicity?

Author

Leonardo Trasande; Clyde B. Schechter; Karla A. Haynes; Philip J. Landrigan

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0271-3586)

Published

2006

Language

EN

Field

Medicine (Health Sciences)