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 Study shows how many people both smoke and vape as trend rises Daily Record E Cig Vapor vs. Tobacco Smoke: Which Is More Harmful? White Cloud White Cloud Electronic Cigarettes Long term smokers who start vaping see health benefits within a month New Scientist