Post Views: 644 Fluorine (F) is a gaseous chemical and potentially a toxic element. But its ion, fluoride is composed of fluorine bound to a metal, non-metal, or organic compound.  Fluoride predominates in nature and the human body. It is present in the bones and teeth. The hardness of the tooth enamel and resistance to tooth decay is increased markedly by the incorporation of this mineral. However, taking high amounts of fluoride can lead to fluorosis resulting in the hardening of bones. Why is Fluoride essential for the human body?  The only beneficial role demonstrated for fluoride is reducing the prevalence and severity of dental caries in children and adults.…