President Donald Trump announced Heidi Overton as his pick to lead the Food and Drug Administration in a social media post on Wednesday, according to Endpoints News. The announcement made official a decision that numerous outlets, including Endpoints News, had reported the day before.

Overton is a medical doctor who currently serves as deputy director of the White House Domestic Policy Council, according to BioPharma Dive, which also describes her as a veteran of the America First think tank. That background makes her a policy hand as much as a clinician — someone who has worked on the political side of health questions rather than inside the agency she would run.

Endpoints News reports that Overton has been critical of vaccine requirements and of abortion pills. Both are areas where the FDA holds direct authority: the agency reviews and authorizes vaccines, and it regulates the approval and distribution rules for medication abortion drugs.

The FDA commissioner sits at the center of American health care in ways most people never see. The agency decides which drugs reach pharmacy shelves, on what timeline, and under what restrictions — decisions that shape what treatments patients can get, what pharmaceutical companies invest in, and how quickly new medicines move from lab to clinic.

That is why a nominee's stated views on specific products matter beyond the politics. A commissioner's priorities can influence how the agency handles individual approvals and the conditions attached to them.

The nomination now heads toward the Senate confirmation process.

Why it matters: The person running the FDA controls which medicines Americans can access and on what terms, so a nominee with publicly critical views on vaccine requirements and abortion pills signals possible shifts in how those products are regulated.