Annals of Internal Medicine editor Christine Laine says she won’t retract the study, as demanded by Robert F. Kennedy Jr., and "we’re not changing what we do because of threats."

Kennedy Jr. promising to find the cause of autism by September. The secretary of Health and Human Services said he believed an environmental toxin was responsible for the dramatic increase in the condition and vowed to gather “the most credible scientists from all over the world” to solve the mystery.

Federal health workers' pent-up frustration with Health Secretary Robert F. Kennedy Jr. is boiling over in the aftermath of an attack on the Centers for Disease Control and Prevention's Atlanta headquarters that they believe he helped stoke with inflammatory rhetoric and misinformation.

Chris Pratt appeared on Bill Maher’s 'Club Random' podcast on Monday, Aug. 18, and briefly touched on the controversial political views of Robert F. Kennedy Jr., who is the cousin of Pratt's wife, Kat

The White House is expected to release RFK Jr.'s "Make America Healthy Again" report focusing on children's health, addressing everything from pesticides to processed foods and vaccine reforms. A leaked draft has already sparked controversy from both longtime Kennedy supporters calling it "an embarrassment" and medical professionals concerned about removing fluoride from water and increasing whole milk in schools.

The 71-year-old’s odd workout clothing choice caught the internet’s attention again this week after Kennedy posted a video with Defense Secretary Pete Hegseth.

U.S. Health Secretary Robert F. Kennedy Jr. has promised "a massive testing and research effort" to determine what he says are the environmental causes of autism. Under Kennedy's direction, however, the government recently ended funding for studies looking into some of those environmental factors.

RFK Jr. hasn't completely alienated all his famous in-laws, however. Earlier this week, Chris Pratt came to the defense of the politician, whose cousin Maria Shriver is the mother of Pratt's wife, Katherine Schwarzenegger.