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 Smokers Who Vape More Likely To Quit Or Cut Back Study Argues Powers Health Do E Cigarettes Do More Good Than Harm? WSJ Vaping: What Parents Need to Know Vaping isn't harmless it's a serious concern. Most vape products contain nicotine, a highly addictive substance that can impact developing brains and overall health.