More than 750 HHS employees sent a signed letter to members of Congress and Health Secretary RFK Jr., calling on him to stop spreading misinformation.

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.

Health Secretary Robert F. Kennedy Jr. and Defense Secretary Pete Hegseth competed in a fitness challenge of 50 pullups and 100 pushups under five minutes.

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."

The 224-pound, fast-food-loving president has supposedly inspired two of his cabinet secretaries to adopt healthier habits.

Health and Human Services Secretary Robert F. Kennedy Jr. and Defense Secretary Pete Hegseth faced off in the "Pete & Bobby Challenge," a competition where they challenged each other to 50 pull-ups and 100 push-ups.

The Marvel and “Jurassic World” star spoke about his interactions with the controversial Health and Human secretary during an appearance on Bill Maher's podcast.

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

HHS Secretary RFK Jr. competed against Secretary of Defense Pete Hegseth in a fitness challenge. The Morning Joe panel discusses.