E cigarettes and health: the jury is still out Harvard Health High resistance coils in E cigarettes increase heavy metals leaching into aerosols to cause oxidants generation in human bronchial epithelial cells at air liquid interface: A unique non animal methodological approach on vaping studies ScienceDirect E cigarettes, Vaping, and Adolescent Health Pediatric ADHD: Contemporary Focus Teens using e cigarettes show evidence of same toxic chemicals as smokers: Study ABC News Hands off my e cigarette! New vaporizer comes with biometric lock