Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect Conclusions about the effects of electronic cigarettes remain the same Cochrane Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Nicotine Withdrawal: Symptoms, Treatment & Side Effects