“It’s maintained that judgment across five presidential administrations, and millions of Americans have used mifepristone to safely end their pregnancies.” The alliance “may not agree with that choice,” she continued, “but that doesn’t give them … a legal basis to upend the regulatory scheme.”

The Alliance for Hippocratic Medicine, an umbrella organization for several groups of anti-abortion doctors, filed federal suit in Amarillo, Texas, in late 2022, challenging the FDA’s initial approval of mifepristone as reckless and the subsequent changes as hazardous.

To support his position that mifepristone was wildly unsafe, Kacsmaryk disengaged from science and instead cited an analysis of anonymous blog posts, a researcher whose work has been repeatedly called into question, and two studies sponsored by an anti-abortion organization that have since been retracted by the journal that published them.

Doctors who don’t think vaccinations are safe could sue to have their approval yanked; cardiologists could challenge a new heart medicine on the grounds that “some patients would no longer require their services,” as the FDA pointed out in a legal brief.

If the court rejects the alliance’s theory of legal standing, the case is dead without the justices having to address the group’s baseless arguments about the dangers of mifepristone, and the drug will remain available, as it is now, under the FDA’s current regulations.

Both Alito and Justice Clarence Thomas seemed open to discussing a revival of the Comstock Act, an 1873 law that outlawed mailing anything considered “obscene, lewd, lascivious, indecent, filthy, or vile” — which included contraception — as well as “every article or thing” that could be used for abortion.

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