The risks of vape pens' secondhand aerosols 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 Scientists discover why vaping is 'more dangerous than smoking' in first of its kind study Vaping Yields No Boost to Quit Rates in Smokers, Study Suggests Vaping on the rise in U.S., especially among young people Pew Research Center What does the evidence say about youth vaping? study Dr Colin Mendelsohn