New Analysis Underscores Health Risks of E Cigarettes Johns Hopkins Medicine E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA E cigarettes may be harmful to health an annotated graphic Engineering & Technology magazine Vaping is NOT Harmless. Know the long term effects before it's too late! Most e cigarette liquids contain high levels of nicotine, which is highly addictive. Despite the legal age being 21, vaping devices PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers Global youth vaping and respiratory health: epidemiology, interventions, and policies npj Primary Care Respiratory Medicine