5 Vaping Facts You Need to Know Johns Hopkins Medicine Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas Smokers Switching to Vaping See Improved Respiratory Health Respiratory Therapy Hyper addictive vapes hooking children as young as 11 The Independent 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