Trump has made it clear that RFK Jr. will get the chance to reshape public health in the U.S. if he's re-elected, which could go as far as pulling some vaccines from the market.

Now it’s being called out by Robert F. Kennedy, Jr. —possibly on track to become head of health initiatives for the incoming presidential administration—as a practice that should be halted. He recently asserted that Donald Trump would push to remove fluoride from drinking water on his first day in office.

The CDC calls the practice of adding fluoride to tap water systems one of the 10 greatest public health achievements of the last century.

Fluoride prevents cavities in a quarter of adults and children but excess and prolonged exposure can lead to health risks

On day one of Donald Trump's presidency, Robert F. Kennedy Jr. says he'll be advising Trump to take fluoride out of public water. The former presidential hopeful — and prominent proponent of debunked public health claims — has described fluoride as "industrial waste.