Federal officials said a psychoactive ingredient in kratom had been refined and added to supplements that could quickly become addictive.

Democrats on the U.S. Senate's health committee launched an investigation on Tuesday into Health Secretary Robert F. Kennedy Jr.'s firing of all members of a Centers for Disease Control and Prevention panel of vaccine experts.

Deputy Attorney General Todd Blanche and Health/Human Services Secretary Robert F. Kennedy Jr give a press conference on new efforts to tackle the opioid crisis.

Author J. Randy Taraborrelli examines Jackie Kennedy's specific worries about Marilyn Monroe and reveals JFK's accountability for his marital behavior before his assassination.

Secretary Kennedy and Commissioner Makary have shown exceptional leadership in confronting one of the most urgent public health threats related to mislabeled, manipulated psychoactive substances,” said Mac Haddow,

A jury convicted Earnest Wallace, 55, of first-degree kidnapping, second-degree kidnapping, first-degree burglary, first-degree criminal contempt and second-degree menacing after a three-day trial.

Joe Kennedy III, the grandson of Senator Robert F. Kennedy, says there is work to do in red states. He also has a few things to say about his uncle, Robert F. Kennedy Jr.

U.S. Health Secretary Robert F. Kennedy Jr. should not fire an advisory panel that determines what cancer screenings and other preventive health measures insurers must cover, an influential doctors' group said on Sunday.