Vaping isn't harmless. While e cigarettes don't contain tobacco, nicotine is highly addictive and can harm brain development. E cigarettes can cause EVALIa serious lung injury linked to vaping. Symptoms like cough, chest Lung Injury Associated with E Cigarette or Vaping Product Use Pediatric Annals Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect Lung Injuries Associated with Use of Vaping Products FDA E cigarette or Vaping Use Associated Lung Injury (EVALI)