And this is a repost/copy from what web site?
Dr. Mercola
http://www.huffingtonpost.com/dr-mercola/fluoride_b_2479833.html
This started with a argument I had with a friend who said nazis used it in concentration camps and the soviets in the gulags, I have not found any document or respected source that says this. So I ran across the Harvard study and have downloaded it and will read the rest tomorrow. On my original post I had my tongue firmly in my cheek referring to red dogs reference.