Mercury is toxic,

Evidence of Harm, Mercury in Vaccines and the Autism Epidemic: A Medical Controversy.

Does mercury in vaccines cause autism in children? A definitive answer has proven elusive, and it remains so to this day. No one can say with certainty that thimerosal ... helped fuel an explosion in reported cases of autism, ADD, speech delay and other disorders over the past decade. But no one can say for certain that it did not.

One out of six women are toxic with mercury. Mercury comes out of coal plants and chlorine plants. I am toxic, I deal with symptoms, children are born with, you know, autism - there is an epidemic in this country. This is like, the air that we breath.

It's a very difficult environmental problem. Mercury is an element. It doesn't go anywhere. It just keeps cycling through the environment. Ultimately, we're going to have to sequester it.

Fluoride seems to fit in with lead, mercury and other poisons that cause chemical brain drain. The effect of each toxicant may seem small, but the combined damage on a population scale may be serious, especially because the brain power of the next generation is crucial to all of us.