Many young people who vape did not smoke cigarettes before they started vaping. But young people who vape are more likely to start smoking cigarettes than those who never vape. For help Which Smoking Habit Puts You Most at Risk? Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology What does the evidence say about youth vaping? study Dr Colin Mendelsohn