Donald Trump has nominated RFK Jr., who wants to remove fluoride from U.S. water systems, to head the Health Department.

Fluoride is known as "nature's cavity fighter," according to the ADA, and it's often added to dental products, including toothpaste, to protect teeth from cavities. Fluoride helps to strengthen ...

Robert F. Kennedy Jr.'s recent comments on fluoride are prompting questions about its safety in drinking water. Here's what ...