Prove that statement.
Er, I already responded to you on that on post 374. Let me make it bigger, as maybe you have problems with your eyesight..
As far as IQ, again, I haven't been able to find anything that correlates that with naturally occuring fluoride where there are high levels, but I thought I had read that somewhere at one time. So for now, I'll just say there is no KNOWN correlation between IQ and naturally occuring fluoride.