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).

Caroline Kennedy on Tuesday cautioned senators against confirming her cousin, Robert F. Kennedy Jr., as Department of Health and Human Services Secretary in a letter questioning his views on vaccines, detailing alleged depraved behavior and saying he has an "addiction to attention and power” one day before his confirmation hearing starts.

Caroline Kennedy wrote a blistering letter to the U.S. Senate Tuesday urging them to reject her cousin Robert F. Kennedy Jr.’s nomination as Health and Human Services secretary. He is set to appear before the Senate Finance Committee on Wednesday for the first of two confirmation hearings as President Donald Trump’s nominee for secretary of the Department of Health and Human Services.

Caroline Kennedy warns senators about Robert F. Kennedy Jr.’s nomination, questioning his ethics and views on vaccines.

Robert F. Kennedy Jr.'s nomination to lead the Department of Health and Human Services faces Senate scrutiny due to his controversial health views.

Robert F. Kennedy Jr. has built his fortune and reputation on disparaging the government scientists and institutions he's now in line to lead as HHS secretary.

Robert F. Kennedy comes before congress Wednesday and Thursday. Here's what we know about his nomination and plans for the Department of Health and Human Services.