RFK Jr.'s MAHA report blames chronic illnesses on ultra-processed foods, chemicals and sedentary behavior among children. It also says childhood vaccines need more study.

Health and Human Services Secretary Robert F. Kennedy Jr. answered questions before a House committee on Wednesday, saying, "I don't think people should be taking medical advice from me."

HHS Secretary Robert F. Kennedy Jr. is set to testify before two congressional committees on Wednesday.

During a congressional hearing, HHS Secretary Robert F. Kennedy Jr. said people shouldn't be taking medical advice from him, and was grilled by both parties on topics including vaccines and DOGE cuts.

Health and Human Services Secretary Robert F. Kennedy Jr. defended the massive cuts to the department's workforce and laid out his priorities for the Trump administration's proposed budget.

RFK Jr. shared photos of himself swimming in Washington, D.C.'s, Rock Creek.

Health and Human Services Secretary Robert F. Kennedy Jr. shared photos of himself and his family at Washington, D.C.'s Rock Creek on Sunday.

Earlier this week, Trump announced his pick for U.S. surgeon general, Dr. Casey Means. Here's what we know about her background and where she stands on health issues.

The FDA approved two natural food dyes and expanded approval of a third on Friday in line with HHS’ goal to eliminate artificial food dyes.

Senators sent a letter to Health and Human Services Secretary Robert F. Kennedy Jr. warning him that cuts to the agency could severely impact the Indian Health Service.

A Department of Health and Human Services spokesperson called the move "a radical departure from past practices."

Doctors and public health specialists say they view the administration's actions, such as firings or questioning established research, as an "attack" on science.

ABC News’ Juju Chang speaks with Food and Drug Administration Commissioner Marty Makary on the FDA’s plan to remove artificial dyes from food and mass layoffs under Robert F. Kennedy Jr.

Health and Human Services Secretary Robert. F. Kennedy Jr. unveiled a plan on Tuesday to start phasing out eight synthetic food dyes. Are they unsafe? Experts weigh in.

ABC News Medical Contributor Dr. Alok Patel reacts to comments by Health Secretary Robert F. Kennedy Jr. calling sugar 'poison.'

The eight petroleum-based dyes are found in thousands of products from candy to cereal to medication.

U.S. Health and Human Services Secretary RFK Jr. proposed on Tuesday to eliminate eight petroleum-based dyes from America’s food supply by next year.

The Department of Health and Human Services and the Food and Drug Administration announced on Tuesday a series of measures to phase out eight artificial food dyes.

Secretary of Health and Human Services Robert F. Kennedy Jr. is expected to urge food manufacturers to phase out the use of eight dyes in the nation's food supply.

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss RFK Jr.'s comments about autism and measles cases across the U.S.

Robert F. Kennedy Jr. is facing growing criticism from parents and advocates who say his recent comments on autism were misguided.

The HHS secretary argued against experts in medicine who say that the increase diagnoses is largely because parents and doctors are getting better at recognizing the disorder.

Health and Human Services Secretary Robert F. Kennedy Jr. said he was determined to find the "environmental exposures" behind the rise of autism diagnoses.

Kennedy has prioritized autism as one of the chronic illnesses he’s determined to tackle in his aim to “Make America Healthy Again."

Colin Killick, executive director of the Autism Self Advocacy Network, joins ABC News Live to discuss how HHS Secretary RFK Jr.’s comments about autistic people impact the community.

Health and Human Services Sec. Robert F. Kennedy Jr. outlined the findings of a new survey from the CDC which found that autism diagnoses are continuing to increase in the U.S.

Despite widespread HHS cuts, RFK Jr. continues to say critical programs are protected.

HHS Secretary Robert F. Kennedy Jr. said at Thursday’s Cabinet meeting that, by September, his agency will "know what has caused the autism epidemic."

HHS Secretary Robert F. Kennedy Jr. said at Thursday’s Cabinet meeting that, by September, his agency will "know what has caused the autism epidemic."

HHS Secretary Robert F. Kennedy Jr. said at Thursday’s Cabinet meeting that, by September, his agency will "know what has caused the autism epidemic."

Robert F. Kennedy Jr. praised the measles response in Texas and the U.S., saying it's a "model for the rest of the world." But the comparison to Europe is an unfair one.

HHS Secretary Robert F. Kennedy Jr. said the curve is flattening in the measles outbreak in Texas. Public health experts say that's not what the data shows.

HHS Secretary Robert F. Kennedy Jr. said the curve is flattening in the measles outbreak in Texas. Public health experts say that's not what the data shows.

ABC News' Dr. Tara Narula discusses Health Secretary Robert F. Kennedy Jr.'s plan to advise the CDC to stop recommending fluoride in drinking water and examines the benefits of water fluoridation.

Department of Health and Human Services Secretary Robert F. Kennedy, Jr. admitted some 2,000 workers were mistakenly fired.

Robert F. Kennedy Jr. said a restructure is needed at HHS due to Americans "getting sicker." But are they? Here's what the data shows.

On the heels of terminating 10,000 jobs from the HHS, Robert F. Kennedy Jr. told ABC News some programs would soon be reinstated because they were mistakenly cut.

ABC's Jay O'Brien reports on the resignation of the Food and Drug Administration’s top vaccine official, Peter Marks.

Kevin Griffis, former CDC communications director, discusses why he left his job with the The Centers for Disease Control and Prevention.

The Department of Health and Human Services confirmed on Thursday that about 10,000 full-time employees will soon lose their jobs.

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.

Plus, why the FDA has recalled certain skincare products and a new report that children should avoid slushies.

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.

Minutes before his confirmation hearing, the White House pulled David Weldon's nomination to lead the Centers for Disease Control and Prevention.

Robert F. Kennedy Jr. told food industry leaders in a closed-door meeting he wants them to remove artificial color dyes from their products by the end his time in office.

The takeaways after Robert F. Kennedy Jr. faced questions from senators during his confirmation hearings to potentially lead the Department of Health and Human Services.

Dr. Paul Offit responds to Health and Human Services Secretary Robert F. Kennedy Jr., who stopped short of calling for vaccines amid the measles outbreak.

Public health experts are questioning RFK Jr's comments after he said the Texas measles outbreak was "not unusual."

President Donald Trump and HHS Secretary Robert F. Kennedy Jr. said they will be studying the "threat" to children posed by antidepressants and obesity medications.

Board certified psychiatrist Dr. Sasha Hamdani reacts to the comments Health Secretary Robert F. Kennedy Jr. made to a room packed with federal health workers on Tuesday.