If Donald Trump is elected for a second time, his presidency may threaten what's lauded as one of the top public-health triumphs of the 20th century: adding fluoride, a mineral that helps prevent tooth decay, to drinking water. That’s due to Robert F.

In the upcoming election, fluoride in drinking water has become a topic of debate after Robert F. Kennedy Jr. claimed Donald Trump would remove it on his first day in office if elected.