Robert F. Kennedy’s famous name, populist stances and loyal following have earned him President Donald Trump’s support, but will that get him the votes he needs from the Republican-controlled Senate to become the nation’s top health official?

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

In a scathing letter Tuesday, Caroline Kennedy warned senators about her cousin, Robert F. Kennedy Jr., calling him a "predator."

In a letter to senators, Caroline Kennedy etches a damning sketch of her cousin, the latest condemnation Robert F. Kennedy Jr. has received from members of his family.

If confirmed by the Senate, Kennedy would head the Department of Health and Human Services (HHS), which oversees many of the country’s health agencies, from the Food and Drug Administration (FDA) to the Centers for Disease Control and Prevention (CDC).

Robert F. Kennedy Jr. is an environmental lawyer, author and political activist who has suspended his independent presidential campaign and thrown his support behind former President Donald J.

Advocates worry that as HHS secretary, Robert F. Kennedy Jr. could undermine years of work to unlink autism and vaccines and divert precious research dollars to a discredited theory.

Caroline Kennedy urged senators to oppose the nomination of her cousin, Robert F. Kennedy Jr., as Secretary of Health and Human Services.

"He put baby chickens and mice in the blender," she says of her cousin, chosen by President Trump to head HHS.

Caroline Kennedy stepped out of the shadows and onto social media to assail her cousin, Robert F. Kennedy Jr., on the eve of his Senate hearing.

Trump's picks to head all of those agencies will also need to face their own Senate confirmation hearings. While some have voiced different opinions from him in the past, Kennedy

Ahead of Robert F. Kennedy Jr.’s confirmation hearings, his cousin said he is unqualified to be health and human services secretary.