Here's a link:
https://pubmed.ncbi.nlm.nih.gov/31817812/ While I know that it's being used widely, it's not without consequences. I'd be especially concerned about this growing medical crops. I realize there's great incentive for corporate agriculture, but a glance at history shows that greed will cause companies to compromise safety and public health.
P.S. My crop runs are small (4-12 plants per run). I've yet to have a heavily seeded crop. I've had a few seeds here and there from late flower herms, but that's it.