Fluoride is a naturally occurring mineral found in all drinking sources, but most cities deliberately add it to the supply. It is important for skeletal health and industrial uses, and is now a regular additive in water worldwide due to its health benefits.
Fluoride in the water can help prevent tooth decay and other health issues, and is essential for developing bodies to stimulate bone-growing cells and growth hormones.
Too much fluoride in water can create white spots, stains, and weakened enamel on teeth. It can also cause toxicity, joint pain, vomiting, diarrhea, and bone loss. Research suggests it works better as a topical application, and some evidence links it to thyroid problems and bone fractures.