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 ...

Nearly 10 full years passed since the last measles death in the U.S., but that long stretch came to an end when a child in ...

HHS Secretary Robert F. Kennedy Jr. has claimed without scientific basis that SSRIs are as addictive as heroin and linked ...

The FDA relies on food companies to determine whether their ingredients are safe. Europe is tougher. At least 950 substances ...

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

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.

The U.S. Food and Drug Administration on Thursday made recommendations to vaccine manufacturers for the virus strains to be ...