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Do they? Do you have a link to a study? I quick google suggests there is no solid correlation.



Here's what I see:

https://www.google.com/search?q=electricians+have+a+2x+great...

And first result is a pubmed survey https://pubmed.ncbi.nlm.nih.gov/3474455/

Anyway the majority of results, aside from a washington post article, confirm it.




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