WHAT COMPANIES MAKE FLUORIDE? Fluorosilicic acid is the compound most widely used in water systems as it yields free fluoride rapidly when mixed with water.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Fluoride helps prevent tooth decay by strengthening enamel, the hard outer layer of teeth, making it more resistant to acid from bacteria and sugary foods. What is fluoride? Why health experts ...