Casey Means’ nomination challenges the tradition of the surgeon general serving everyone as “the nation’s doctor” rather than pushing a political agenda.

Casey Means isn’t currently licensed as a doctor. But that’s not why anti-vaxxers and conspiracists think she’s unsuited to be surgeon general—to them, her anti-vaccine opinions aren't extreme enough.

President Donald Trump’s move to nominate Dr. Casey Means as surgeon general is dividing the “Make America Healthy Again” movement, fomenting turmoil in the community that helped propel him to a second term.