The Food and Drug Administration (FDA) on Tuesday approved marketing for four flavored vapes made by the company Glas Inc. in what the agency says is an effort to tamp down on F.D.A. Plans to Ban Most E Cigarette Flavors but Menthol The New York Times FDA Begins Banning Vape Flavors with Regulatory Process Vaping Scout Supreme Court to hear case involving FDA denial of flavored vape products