President-elect Donald Trump has selected Robert F. Kennedy Jr. as his pick to run the Department of Health and Human Services. Kennedy has a history of making false claims about vaccine safety, and wants to remove fluoride from drinking water despite its benefits for reducing cavities.

RFK Jr.’s operation had been building toward this moment for months. On August 23, Kennedy suspended his independent presidential bid and endorsed Trump after what he described as “a series of long, intense discussions” that proved the two were ideologically aligned.