Fast facts on the effects of e cigarettes and vaping The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association Frontiers The new nicotine epidemic: understanding the systemic harms of e cigarettes in the adolescent population Ex smokers say e cigarettes are a healthy way get nicotine fix wtol.com E cigarettes contain hazardous substances, addictive and harmful E cigarette or Vaping Use Associated Lung Injury (EVALI) American Lung Association