Upper bound on the biological effects of 50/60 Hz magnetic fields mediated by radical pairs

ELife
P J Hore

Abstract

Prolonged exposure to weak (~1 μT) extremely-low-frequency (ELF, 50/60 Hz) magnetic fields has been associated with an increased risk of childhood leukaemia. One of the few biophysical mechanisms that might account for this link involves short-lived chemical reaction intermediates known as radical pairs. In this report, we use spin dynamics simulations to derive an upper bound of 10 parts per million on the effect of a 1 μT ELF magnetic field on the yield of a radical pair reaction. By comparing this figure with the corresponding effects of changes in the strength of the Earth's magnetic field, we conclude that if exposure to such weak 50/60 Hz magnetic fields has any effect on human biology, and results from a radical pair mechanism, then the risk should be no greater than travelling a few kilometres towards or away from the geomagnetic north or south pole.

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Citations

Nov 30, 2019·The Journal of Chemical Physics·V N Binhi
Jan 10, 2021·Biophysical Journal·Yi RenP J Hore
Jan 6, 2021·Proceedings of the National Academy of Sciences of the United States of America·Noboru Ikeya, Jonathan R Woodward
Feb 19, 2021·International Journal of Hygiene and Environmental Health·Muhammad Waseem KhanPäivi Roivainen
Mar 20, 2021·Scientific Reports·Jordan SmithChristoph Simon
May 7, 2021·Scientific Reports·Thomas C PlayerP J Hore
Jun 11, 2021·Scientific Reports·Hadi Zadeh-Haghighi, Christoph Simon
Oct 2, 2021·Occupational and Environmental Medicine·Muhammad Waseem KhanPäivi Roivainen
Nov 11, 2021·Journal of the Royal Society, Interface·Siu Ying WongP J Hore
Jan 9, 2022·Scientific Reports·Hadi Zadeh-Haghighi, Christoph Simon

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