Health and Human Services Secretary Robert F. Kennedy Jr. insists an environmental toxin is responsible for increased autism prevalence in the U.S. “This is a preventable disease,” he said ...

Health Secretary Robert F. Kennedy Jr. announced that he's planning a series of studies aimed at identifying “environmental toxins” he claims are responsible for a dramatic rise in autism ...

Health and Human Services Secretary Robert F. Kennedy Jr. and Environmental Protection Agency Administrator Lee Zeldin spoke about their accomplishments since President Trump returned to office during ...

Eric Fombonne, an Oregon Health & Science University professor emeritus of psychiatry, said he doesn’t know how researchers would begin to investigate the "environmental toxins" Kennedy mentioned, ...

Health and Human Services Secretary Robert F. Kennedy Jr. is waging war on autism — and experts say it’s both unscientific ...

Jet fuel is primarily made of hydrogen and carbon compounds, and planes aren’t spraying jet fuel as part of a Defense ...

Health and Human Services Secretary Robert F. Kennedy Jr. suggested environmental factors may be behind the rise in autism rates without evidence. NBC News’ Anne Thompson reports.

In just two months as the federal health secretary, Robert F. Kennedy Jr. has made sweeping changes to the Department of Health and Human Services — and its priorities.

Kennedy Jr. unleashed a bizarre take on autism during a press conference Wednesday, describing the neurodevelopmental condition as a “preventable disease” caused by a mysterious environmental ...

RFK Jr. and autism experts are at odds over the root cause of autism, as the Department of Health and Human Services launches massive autism research initiative.

Medical experts say that the rise in autism diagnosis is likely due to improved screenings and access to resources, but on Wednesday, RFK Jr. hazarded another guess: The secretary, who holds no ...

Robert F. Kennedy Jr. came under fire for his claims about autism in his first press conference as Trump's secretary of ...