I have been doing some research because iodine supplementation has been recommended for my daughter.
this link below has embedded links ( some annoying pop-ups too) to several independent studies about the effects of iodised salt; non-consensual population experiments anyone?
This one I found on someone's page here but I think it could do with more circulation:
Should you be taking high dose iodine supplements?
Do the research, don't be taken in by all the hype