Are electronic cigarettes safer than tobacco? It's complicated June 02, 2020 Overview 请参见副本 Overview Mayo Clinic internist and addiction researcher Jon O. Ebbert, M.D., discusses electronic cigarettes and their effectiveness for smoking cessation in this video first shown on Medscape Cardiology. For more information or to request an appointment click here. VID-20488113 医疗专业人员 Are electronic cigarettes safer than tobacco? It's complicated