State-of-the-Science Workshop Report: Issues and Approaches in Low-Dose–Response Extrapolation for Environmental Health Risk Assessment
2009

Low-Dose Response Extrapolation for Environmental Health Risk Assessment

Sample size: 17 publication Evidence: moderate

Author Information

Author(s): Ronald H. White, Ila Cote, Lauren Zeise, Mary Fox, Francesca Dominici, Thomas A. Burke, Paul D. White, Dale B. Hattis, Jonathan M. Samet

Primary Institution: Johns Hopkins Bloomberg School of Public Health

Hypothesis

How can low-dose extrapolation models be improved for environmental health risk assessments?

Conclusion

The workshop identified the need for improved methods in low-dose extrapolation to better assess health risks from environmental pollutants.

Supporting Evidence

  • Advancements in statistical methods have improved the evaluation of health risks from environmental pollutants.
  • The workshop emphasized the importance of understanding mode of action in risk assessment.
  • Participants proposed new approaches for low-dose extrapolation that consider uncertainty and variability.

Takeaway

Scientists are trying to figure out how to better understand the risks of small amounts of pollution on our health.

Methodology

Experts reviewed literature and discussed low-dose extrapolation methods in a workshop setting.

Potential Biases

Potential biases may arise from the reliance on animal data to infer human health risks.

Limitations

The current understanding of biological responses to chemicals is limited, making it difficult to develop precise models.

Participant Demographics

Participants included experts from toxicology, biostatistics, human biology, epidemiology, and risk assessment.

Digital Object Identifier (DOI)

10.1289/ehp.11502

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