President-elect Donald Trump has picked Robert F. Kennedy Jr. as his Health and Human Services secretary and while we don’t know what the policies will be, one thing Kennedy has signaled he would look at is fluoridation of water across the United States.

Here's everything you need to know about the benefits and the risks of this common but controversial natural element.

As US President-elect Donald Trump charts his second term in the White House, an unusual suspect is at the top of the health policy to-do list: removing fluoride, a naturally occurring mineral that helps prevent tooth decay,