Yes, there is. And a hypothesis needs to be tested. Science!

Polarization: A Key Difference between Man-made and Natural Electromagnetic Fields, in regard to Biological Activity

https://www.nature.com/articles/srep14914

Ion Channels seem to be effected by EMFs even at powers that we are subjected to every day.

https://pubmed.ncbi.nlm.nih.gov/33945157/