Vapes vs Cigarettes: Which One is More Deadly? Atlus A groundbreaking study by Manchester Metropolitan University has found that vaping may be more harmful than smoking traditional cigarettes The research, led by Dr. Maxime Boidin, so far indicates that both VAPING: Less harmful but not safe ScienceUpFirst Is Vaping Better Than Smoking? Health Effects Compared Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis