It used to be that when you were a Kennedy you were a Kennedy all the way. Now factions of the famously private political family are squaring off in public.

Kristyn Roth, chief marketing officer of the Autism Society of America, said Kennedy’s claims about autistic children’s ...

The father of the dominant theory of Alzheimer’s disease told another eminent researcher he is “causing harm” by criticizing ...

Robert F. Kennedy Jr.'s Make America Healthy Again movement, which focuses on ending what President Donald Trump's health ...

The National Institutes of Health director said they were launching an autism registry — but a Health and Human Services ...