If RFK Jr. leads the Department of Health and Human Services, he could radically reshape public health priorities in America, from vaccines to fluoride in the water.This episode was produced by Amanda Lewellyn, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Patrick Boyd and Rob Byers, and hosted by Noel King.Transcript at vox.com/today-explained-podcastSupport Today, Explained by becoming a Vox Member today: http://www.vox.com/membersRobert F. Kennedy Jr. during a UFC event at Madison Square Garden in New York City. Photo by Jeff Bottari/Zuffa LLC.Learn more about your ad choices. Visit podcastchoices.com/adchoices