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 Vapes '95% safer' than cigarettes messaging backfired We were shocked': Vaping considerably increases lung cancer risk among people who smoke Vaping vs Cigarettes Health Impacts Compared Vaping and smoking together increases lung cancer risk fourfold