F.D.A. Authorizes E Cigarettes to Stay on U.S. Market for the First Time The New York Times E Cigarette & Vape Market Share 2026: Top 6 Brands Analysis Vaping might be more dangerous than smoking New York Post Where There's Vapor, Is There Fire? We Need Evidence on E Cigarettes RAND Vape and Wheeze: E cigarette Users Develop Respiratory Symptoms Respiratory Therapy What Are Electronic Cigarettes? NIH News in Health