Fluoride lowers IQ and calcifies the brain's pineal gland.
Read this from Dr. Anna Goodwin...
http://farmwars.info/?p=11043
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Frequently Asked Questions about fluoride
produced by the Fluoride Action Network. Dr. Paul Connett and his wife Ellen have led the global fluoride fight for many years.
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Pineal Gland - Wikipedia
Fluoride calcifies the Pineal Gland.