Blown up in smoke: Young adults who vape at greater risk of COVID symptoms Harvard Health Vaping and smoking together increases lung cancer risk fourfold MS Polls: 67% of respondents believe that vaping is worse than smoking, some still unsure Young people who vape may be more likely to start smoking 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