Teenagers who vape sweet flavoured e cigarettes more likely to stick with habit, study claims The Independent The Independent 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 How Big Tobacco is Hooking Gen Z Respiratory Health Association 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.