The Supreme Court heard the Food and Drug Administration's (FDA) appeal in Food and Drug Administration v. Wages and White Lion Investments, LLC on Monday. The case concerns the FDA's requirement for scientific studies to approve premarket tobacco applications (PMTAs) for flavored electronic cigarette (e-cigarette) manufacturers and distributors.

Supreme Court justices grappled Monday with arguments about the Food and Drug Administration’s (FDA) regulation of flavored electronic cigarettes — and whether the agency acted unfairly in its

If the FDA loses, the agency could decide to release fewer guidance documents, which give companies insight into its thinking.