The disclosure — ordered by President Trump within days of taking office and backed by the senator's son, Health and Human Services Secretary Robert F. Kennedy Jr. — could reignite speculation ...

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.

Members of the autism community are pushing back against Health and Human Services Secretary Robert F. Kennedy Jr.’s pledge to find the cause for autism by September, calling the plan harmful.

“Lifting the veil on the RFK papers is a necessary step toward restoring trust in American government,” said the late senator’s son, Health and Human Services Secretary Robert F. Kennedy Jr ...

Robert F. Kennedy Jr. explains why his voice sounds raspy and strained, causing difficulty when he speaks. Here's more about his condition ...

Health and Human Services Secretary Robert F. Kennedy Jr. said the measles vaccine is "leaky" because its effectiveness wanes over time, something medical experts dispute. Kennedy, a vaccine ...

A key vaccine advisory committee is meeting for the first time under new U.S. Health Secretary Robert F. Kennedy Jr., a ...

Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. said rapidly growing autism rates in America are an “epidemic” and promised to find the “environmental toxin” causing it.

Health and Human Services Secretary Robert F. Kennedy Jr. made headlines last week when he announced that the agency would "know what has caused the autism epidemic" by September of this year.

Health and Human Services Secretary Robert F. Kennedy Jr. renewed calls for the scientific community to examine correlations between rising autism rates and “environmental toxins,” revealing ...

For years, Robert F. Kennedy Jr. has raised questions about vaccine safety. Now, as the Secretary of Health and Human ...