Some have quit in frustration. The leading nutrition scientist at the N.I.H., Kevin Hall, recently resigned, saying he was ...

The Health and Human Services secretary defended his claims about children with autism that drew backlash last week, saying ...

Robert F. Kennedy Jr. ordered food companies to remove petroleum-based food dyes by 2027. Here's the science linking dyes to ...

A tranche of records on Robert F. Kennedy's 1968 killing are being unsealed at the urging of the senator's son, HHS Secretary ...

For people concerned about the self-esteem and suicide ideation of those with autism, Kennedy sounded like his goal was to ...

A key vaccine advisory committee is meeting for the first time under new U.S. Health Secretary Robert F. Kennedy Jr., a ...

The U.S. health secretary was giving a press briefing about CDC findings on the growing number of autism diagnoses, calling ...

For years, Robert F. Kennedy Jr. has raised questions about vaccine safety. Now, as the Secretary of Health and Human ...

During a recent interview, Health Secretary Robert F. Kennedy Jr. called autism an "epidemic" and argued that it is far worst ...

The Trump administration could release files on the assassination of Robert F. Kennedy — the U.S. health secretary's father — ...

Lawyers for Kennedy's killer said for decades that he is unlikely to reoffend or pose a danger to society, and in 2021 ... him to shoot Kennedy. Robert F. Kennedy Jr., a son of the New York ...

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss RFK Jr.'s comments about autism and measles cases across the U.S.