When I was a kid I took a tour of the local water plant. Every thing was kept spotless except the part where they put in the flouride. Those pipes were completely corroded. This really stood out to me and was years before I ever heard anything negative about it. It left a big impression on me.

When I was a kid I took a tour of the local water plant. Every thing was kept spotless except the part where they put in the flouride. Those pipes where completely corroded. This really stood out to me and was years before I ever heard anything negative about it. It left a big impression on me.