Smokers Who Vape More Likely To Quit Or Cut Back Study Argues Powers Health 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 Is Vaping Better Than Smoking? American Heart Association Half as many Britons' vape as smoke