E cigarette use to reduce cigarette smoking may not increase nicotine dependence Penn State Health News The World Health Organisation's (WHO) first global estimate on e cigarette use reveals an alarming trend adolescents are nine times more likely to vape than adults. Designed by: @esha_attreya #upsc #upscprelims #upscpreparation # E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health