Questions churn about vaping's long term risks Science The long term impact of smoking and e cigarette use on public health Download Scientific Diagram Youth vaping Vancouver Coastal Health The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association What Happens When You Quit Smoking and Start Vaping? How quitting, switching to e cigarettes, or sticking to smoking shapes cardiovascular outcomes after percutaneous coronary intervention Kapka Miteva, PhD