And let's not forget that lithium has been shown to have some real health benefits too... it's like, do we really want to limit people's access to something that could potentially help them with mental health issues? I'm all for being cautious, but at the same time, I think we need to be careful not to jump to conclusions here.
I guess what I'm saying is, more research is definitely needed to fully understand this association. And until then, let's just say it's an interesting area of study that warrants some further investigation