pii: 20180590
Juutilainen J et al, (May 2018) Magnetocarcinogenesis: is there a mechanism for carcinogenic effects of weak magnetic fields?, Proc Biol Sci. 2018 May 30;285 · 2018
Scientists propose radical pair mechanism as biological explanation for how weak power line magnetic fields could cause childhood leukemia.
Plain English Summary
Scientists reviewed how extremely low-frequency (ELF) magnetic fields from power lines might cause childhood leukemia through a biological mechanism called the radical pair mechanism. This mechanism, which helps birds navigate using Earth's magnetic field, could potentially explain how weak magnetic fields influence cancer-related processes in humans. The research proposes that cryptochromes (light-sensitive proteins) might be the key molecules linking magnetic field exposure to cancer development.
Why This Matters
This review represents a significant step forward in the EMF health debate by proposing a scientifically plausible mechanism for how power line magnetic fields could cause cancer. For decades, the classification of ELF fields as 'possibly carcinogenic' has been based primarily on epidemiological studies showing associations with childhood leukemia, while critics pointed to the lack of a clear biological mechanism. The radical pair mechanism offers that missing piece of the puzzle.
What makes this particularly relevant is that the proposed mechanism operates at the extremely low magnetic field strengths we encounter daily from power lines, household wiring, and electrical appliances. The science demonstrates that biological systems can indeed detect and respond to magnetic fields far weaker than previously thought possible. This challenges the long-held assumption that only thermal effects from EMF exposure could cause biological harm.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{pii_20180590_ce2028,
author = {Juutilainen J et al and (May 2018) Magnetocarcinogenesis: is there a mechanism for carcinogenic effects of weak magnetic fields? and Proc Biol Sci. 2018 May 30;285},
title = {pii: 20180590},
year = {2018},
doi = {10.1098/rspb.2018.0590},
}