Vaping: What Parents Need to Know Vaping isn't harmless it's a serious concern. Most vape products contain nicotine, a highly addictive substance that can impact developing brains and overall health. Chart: Teenagers Two to Three Times More Likely to Vape Than Smoke Statista Urban Recovery 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 When People Both Vape and Smoke, They Don't Swap Cigarettes for E Cigs