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.

There are no blood or biologic tests for autism; it is diagnosed by making judgments about a child's behavior. Research has ...

The health secretary followed up this Thursday with a Fox News interview, where he told host Martha MacCallum that it is “very hard to tell” whether measles deaths this year could have been ...

(CNN) — Health and Human Services Secretary Robert F. Kennedy Jr. this week made his strongest endorsement yet of the measles vaccine amid an ongoing outbreak that has killed three and infected ...