Quitting e cigarettes vs tobacco: what motivates people to stop? BIT Vaping and smoking together increases lung cancer risk fourfold 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 What is Vaping? Learn About Electronic Cigarettes CASAA Analysis suggests e cigarette use may be linked to lower rates of smoking