According to RFK Jr., fluoride is "an industrial waste" that is linked to cancer, disease, and various health disorders. Are his claims factual, though? It has long been a practice in the US to add fluoride to public drinking water, but what do we really know about the benefits and dangers of this chemical? Can it cause serious health implications as RFK Jr. claims?
Click through the gallery to find out more about fluoride in water and its impact.