Rethinking Vaping JUUL E Cigarettes Harrison County Health Department 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 UCLA study finds even short term vaping poses significant risk to health Daily Bruin Electronic Cigarette Use Increasing Among Airmen > Los Angeles Air Force Base > Article Display Stop Smoking E Cigarettes CardioSmart American College of Cardiology