Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

ANSWER: As with all substances (even a naturally occurring mineral like fluoride), the dose is what makes fluoride either a useful way of reducing tooth decay or a risk for side effects.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.

Florida on Thursday became the second U.S. state to prohibit fluoride, a mineral used for decades to protect teeth from decay, in its water systems.

In most of the world, fluoride is not added to the public water supply. Some countries add fluoride to table salt. In some regions, fluoride levels in water are naturally high.

Robert F. Kennedy Jr. has gone after fluoride, a move that medical experts widely disagree with. Here's what health pros want you to know.