yes, the companies producing it tried getting it approved, and it was for a bit

and then the approval was overturned as the evidence was crap

so, back to the original state: banned until proven safe

> then the approval was overturned as the evidence was crap

Source? I’m curious for this context.

I think they might refer to the EU approving of paraquat, which was appealed by Sweden and other countries and it was a legal process churning on until 2007 when the presumed link with Parkinson's and other factors led to the decision to ban it.

> when the presumed link with Parkinson's and other factors led to the decision to ban it

Do you have a link to this decision? I'm having trouble finding it on my own.