You can still buy many kinds of salt without iodine, it's easy to opt out. Additionally, when you talk about mental "diseases", things get a lot more iffy. We

You can still buy many kinds of salt without iodine, it's easy to opt out. Additionally, when you talk about mental "diseases", things get a lot more iffy. We have a terrible understanding of the brain, our diagnoses for those diseases are literally check lists, without any proper tests, many people would rather have their natural mental performance than a modified version of it, which is what something like this would force you into whether you like it or not.