Childhood leukemia risk in the California Power Line Study: magnetic fields versus distance from power lines

Authors: Catherine M. Crespi, John Swanson, Ximena P. Vergara, Leeka Kheifets

Year: January 11, 2019

Category: Environmental Research

Journal: Environmental Research

Institution: University of California

DOI: 10.1016/j.envres.2019.01.022

URL: https://www.sciencedirect.com/science/article/pii/S0013935119300258

Abstract

Study Overview: Examining Leukemia Risk and Power Line Proximity

The study investigates the relationship between childhood leukemia risk and proximity to high voltage power lines along with the exposure to magnetic fields. This examination utilizes data from a comprehensive records-based case-control study.

Key Findings:

  • Magnetic field strength and power line distance are related but distinct factors.
  • Risk of leukemia increases only with high exposure to both high magnetic fields and close proximity to power lines.
  • Increased leukemia risk seems linked to characteristics of power lines rather than magnetic fields alone.

Conclusion:

Although childhood leukemia is more prevalent in children who live very close to high voltage lines and are exposed to high magnetic fields, factors other than magnetic fields might be significant in explaining elevated risks. This aligns with the concept that other characteristics of power lines may play a critical role.

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