How have e cigarettes changed over time? Which Smoking Habit Puts You Most at Risk? Vaping vs. smoking: Long term effects, benefits, and risks Quitting e cigarettes vs tobacco: what motivates people to stop? BIT Vaping and smoking together increases lung cancer risk fourfold Vaping isn't harmless. Early nicotine use can harm brain development, affect how nerve cells work, and increase the risk of addiction. Young people who vape are 4x more likely to start smoking