Louisiana is one vote away from banning fluoride in public water. Dentists warn it could lead to more cavities, especially in kids.

Lawmakers in Florida approved a bill to prohibit certain additives in drinking water, effectively banning fluoride, and the measure now goes to Gov. Ron DeSantis for a signature. If it’s finalized, Florida will become the second state to ban fluoride in municipal drinking water.

Florida is poised to become the second state to ban fluoride in public drinking water, over the concerns of dentists and public health advocates who say the mineral is a safe, effective way to protect people of all ages from developing cavities.