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

In the waning days of his campaign, former President Donald Trump has further embraced some of Robert F. Kennedy Jr.’s incorrect or controversial views on health, including vaccines and fluoride.

Former President Donald Trump on Sunday expressed tentative support for Robert F. Kennedy Jr.’s plan to order the removal of fluoride from water supplies during a potential second Trump term, saying that it “sounds OK to me.