Health Secretary Robert F. Kennedy Jr. has announced new dietary guidelines for Americans focused on promoting whole foods, healthy proteins and fats. And he has "declare[d] war" on added sugar.

As RFK Jr.'s new vaccine panel ponders changing the hepatitis B vaccination schedule, some doctors recall past patients, including children, who died painful deaths before there was a vaccine.

Marion Nestle says we need to rethink how we eat. She recommends "real food, processed as little as possible, with a big emphasis on plants." Her new book is What to Eat Now.

Health Secretary Robert F. Kennedy Jr.'s Centers for Disease Control and Prevention has launched an unprecedented review of routine shots given to kids, alarming public health experts.

Last month, federal health agencies made claims that acetaminophen could cause neurological conditions in babies if taken during pregnancy. Medical providers and trusted organizations say there isn't enough evidence. 

The health secretary's affinity for saturated fat and his ire over ultraprocessed foods could influence federal food guidelines, expected out this fall.

Global health leaders expressed dismay at Kennedy's objection but vowed to move forward without the support of the U.S.

President Trump says an old drug that acts like a vitamin can reduce autism symptoms in many children. The science doesn't support that claim.

The science on Tylenol and autism isn't clear, despite President Trump's claims. Here's what parents need to know to make their own decisions about acetaminophen.

The president and his deputies tied autism to acetaminophen use during pregnancy, presented a cancer drug as possible treatment and said the FDA would change labeling. There's little strong scientific evidence for either.

Just last week, the Advisory Committee on Immunization Practices made changes to their recommendations for well-known vaccines for kids and adults. But not far away, people who study public health were having their own conversations.

The group was chosen by Health Secretary Robert F. Kennedy Jr. amid controversy. It's changed guidance for for measles, mumps, rubella and chickenpox shots and deferred proposed changes to hepatitis B.

Health Secretary Robert F. Kennedy Jr. chose everyone in the group. Their votes could affect vaccine access for certain childhood vaccines and and the COVID shots. Here's what's at stake.

RFK Jr.'s hand-picked panel of vaccine advisors is expected to vote to delay the hepatitis B shot for newborns. Doctors warn that could fuel a return of a disease virtually eradicated in U.S. kids. 

While Health Secretary Robert F. Kennedy, Jr., dismantles the federal institutions that set vaccine policy, states like Colorado are changing laws and regulations in an effort to preserve access to vaccines.