“This review of 27 epidemiological studies on the association of occupational exposure to ELF-MF as well as electric shocks and the risk of ALS suggests a risk increase of 20% for ELF-MF exposed workers but no increased risk for workers who experienced electric shocks on their job.” But, just a few days later, a New Zealand team reaches the opposite conclusion.
https://microwavenews.com/papers/als-elf-emf-review