New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E cigarette flavors are toxic to white blood cells, warn scientists Evidence update on the cancer risk of vaping e cigarettes: A systematic review 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 #