Robert F. Kennedy Jr.’s failure to install a fellow vaccine critic to a key government post is testing the limits of how far the US health secretary can go to promote his public-health agenda.

Researchers say that simply isn’t true, except potentially in a small number of people with compromised immune systems who are not supposed to receive it. Read the rest of Matthew Herper’s scorching ...

RFK Jr. has claimed measles can be treated with vitamin A and that severe infection is linked to poor diet. But many experts who spoke with ABC News disagreed.

For decades, the U.S. Food and Drug Administration's GRAS rule has allowed untested additives into the food supply. Can RFK ...

There sat Robert F. Kennedy Jr., the nation's top health official, at a Steak 'n Shake with Fox News host Sean Hannity, ...

Traditionally the recommendations have been voted on by an advisory committee, but the agency made the decision on its own ...

In a recent meeting with top food executives, Health and Human Services Secretary Robert F. Kennedy Jr. made it clear: The time to ditch artificial food dyes is now.

Abrupt staffing changes have also dominated Kennedy's first weeks in office, with CDC pick Dave Weldon, MD, withdrawing from the nomination mere minutes before his hearing, Kennedy's top HHS spokesman ...