Fluoride is often used as a topical treatment for preventing tooth decay in products such as tooth paste. However if ingested, fluoride has it can be quite harmful. Ingestion of fluoride is known to damage the following; thyroid gland, bones, kidneys & Gastro-Intestinal system.
Water Fluoridation is done as a public health treatment for dental health. However every health treatment has a maximum dosage. This process fails to take into account the accumulative effects.
Community water fluoridation is regulated by the EPA. They recently changed the regulatory amount maximum contaminant level goals as a result of increased evidence supporting the harmful effects fluoride, especially for children.
The EPA recently took steps to banning fluoride-based pesticides. Citing their harmful effects