Mr Kennedy, who initially stood as an independent candidate before backing Mr Trump, has claimed the next US president will push to remove fluoride from drinking water on his first day in office.

Not much is known about what role Kennedy could actually serve in the second Trump administration. Here's some of what we do know.

RFK Jr., a longtime anti-vaccine activist, to play a role in Trump administration and potentially influence how the FDA and CDC approach the lifesaving shots.

Robert F. Kennedy Jr, the former independent presidential candidate, is reviewing candidate resumes for the top jobs at the U.S. government's health agencies in Donald Trump's incoming administration,

Kennedy Jr. is expected to have a role in President-elect Donald Trump's administration. One issue that Kennedy supports is removing fluoride from drinking water. Kennedy told NPR on Wednesday that Trump will propose removing fluoride from the nation's drinking water early in his term.