Smoking and Vaping Have Similar Cardiovascular Harms Respiratory Therapy 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 FDA Bans Sales of Vuse Menthol, Mixed Berry E Cigarettes NACS Vapes and e cigarettes often contain nicotine, heavy metals, and carcinogensand can harm developing brains, affect mood and learning, and lead to lasting lung damage. Just one hit can start an addiction.