E cigarette research, USA Stock Image Science Source Images VCU and VCU Health experts weigh in after studies show that ecigarettes pose significant health risk VCU Health Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society What does recent biomarker literature say about the likely harm from e cigarettes? PHCC Vaping on the rise in U.S., especially among young people Pew Research Center The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society