He had only been vaping for three years. What Happens When You Stop Smoking? Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Tracking the course of vaping and cigarette smoking across adolescence: the Child to Adult Transition Study The Lancet Regional Health Western Pacific What is Vaping? Learn About Electronic Cigarettes CASAA California holds youth vaping below half the national average while almost eliminating smoking Stanton Glantz blog