A friend told me your getting brain damage at the cost of clean teeth, does this make any sense?

He says from the fluoride in tooth paste, and the chemicals in mouth wash gives people long term brain damage overtime from use. He uses some natural toothpaste called toms or something. I'm kinda confused by all this, I looked online and there are so many controversial articles about fluoride being bad and good. show more He says from the fluoride in tooth paste, and the chemicals in mouth wash gives people long term brain damage overtime from use.

He uses some natural toothpaste called toms or something. I'm kinda confused by all this, I looked online and there are so many controversial articles about fluoride being bad and good.
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