Animal studies, including chronic studies at very high levels, have consistently failed to identify any target organ, or other evidence of toxicity at doses less than several grams per kilogram per day
Three judges partly dissented
Of those at least 15 years old, 12,777 (12.7%) people had a bachelor's or higher degree, 56,931 (56.6%) had a post-high school certificate or diploma, and 26,370 (26.2%) people exclusively held high school qualifications
revealed that electronic cigarette use among young people in public schools was associated with future cigarette use during the three-wave period (2013, 2014 and 2015), whereas cigarette use was not associated with future electronic cigarette use.19 In contrast, according to large-scale surveys and cross-sectional analyses of randomised controlled trials, the majority of electronic cigarette users perceive these devices as a tool to quit regular tobacco smoking.20,21 How do Electronic Cigarettes Work