Public health and economic consequences of environmental methyl-mercury toxicity to the developing brain
2007

Methylmercury and the Developing Brain

Sample size: 316588 publication Evidence: high

Author Information

Author(s): Leonardo Trasande, Philip J. Landrigan, Clyde B. Schechter, Richard F. Bopp

Primary Institution: Mount Sinai School of Medicine

Hypothesis

Prenatal exposure to methylmercury causes cognitive impairment in children.

Conclusion

Prenatal exposure to methylmercury leads to significant cognitive impairment and economic costs in the U.S.

Supporting Evidence

  • Prenatal exposure to methylmercury affects cognitive function in children.
  • The economic cost of this exposure is estimated at $8.7 billion annually.
  • Logarithmic models provide a better statistical fit for analyzing cognitive function related to methylmercury exposure.

Takeaway

Breathing in too much mercury while pregnant can make babies less smart and cost a lot of money.

Methodology

The study analyzed data on prenatal methylmercury exposure and its effects on cognitive function.

Potential Biases

Potential bias from using data that may not be sensitive to detect cognitive impairment.

Limitations

The analysis may be affected by biases in the data sources used.

Participant Demographics

Children born in the United States.

Digital Object Identifier (DOI)

10.1289/ehp.10302

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