With e-cigarette sales booming, the Supreme Court will decide whether the FDA unlawfully blocked approval of more than a million new flavored nicotine products.

The justices will hear arguments about the FDA's rejection of some e-cigarettes. High schoolers are at the center of the case.

The Supreme Court is scheduled Monday to consider the regulation of flavored e-cigarettes in a case that illustrates an enduring public health conundrum: how to keep kids away from sweet-flavored, addictive vapes while giving adult smokers better options to help them quit cigarettes.

The U.S. Supreme Court is set on Monday to hear the U.S. Food and Drug Administration's defense of the agency's refusal to let two e-cigarette companies sell flavored vape products that regulators found to pose a significant health risk to youths.

WASHINGTON −Six years after teen vaping was declared an epidemic, the use of e-cigarettes by young people has declined to its lowest level in a decade. “That’s a big deal,” Health and Human Services Secretary Xavier Becerra said in September when announcing usage had dropped to 6% among middle and high school students.

The Supreme Court on Monday will hear a dispute over the Food and Drug Administration's refusal to approve flavored e-cigarettes over public health concerns.