Fluorides… are salts of hydrofluoric acid. They occur naturally in various minerals and in the human body, primarily in bones and tooth enamel, but also in blood and gastric juice.
Natural sources of fluoride include black and green tea, fish and asparagus.
Fluoride is used globally in toothpaste, salt, and drinking water as a cost-effective measure to prevent cavities. It has been hailed by the U.S. Centers for Disease Control and Prevention (CDC) as one of the top ten public health interventions of the 20th century.
Source: Facts on fluoride in water, salt and toothpaste – DW – 11/19/2024

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