Health Secretary Robert F. Kennedy Jr. apparently embraces the outdated "miasma theory" of disease instead of the widely accept "germ theory" of disease, which may help explain some of the actions he's been taking.

Secretary of Health and Human Services Robert F. Kennedy Jr. made several false claims about vaccines in a Thursday appearance on Fox News.

Among the eight people Robert F. Kennedy Jr. announced would make up his new group of outside vaccine advisers to the US Centers for Disease Control and Prevention are an emergency physician who posted Islamophobic commentary on social media and two doctors who were paid to provide expert testimony in trials against a vaccine maker.

Robert F. Kennedy Jr. painted a bleak picture of people with autism spectrum disorder, or ASD, that was especially hurtful to some.

Bill Nye the Science Guy once had to block Health Secretary RFK Jr. after he sent “miles and miles” of anti-vaccination texts to his phone, he recalled in a recent interview.

A document the Department of Health and Human Services sent to lawmakers to support Secretary Robert F. Kennedy Jr.’s decision to change U.S. policy on covid vaccines cites scientific studies that are unpublished or under dispute and mischaracterizes others.

Rob Lucero says he wants to fill a leadership vacuum that he says both the Democratic and Republican parties are experiencing.

Robert F. Kennedy Jr., the health secretary, dismissed 17 scientific advisers to the C.D.C. Critics fear newly appointed members will roll back vaccine recommendations.