The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society Primary health effects from smoking. Figure 1 used with permission from Download Scientific Diagram Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Electronic Cigarettes, What is the bottom line CDC (page 3 crop) PICRYL Public Domain Media Search Engine Public Domain Search According to research, e cigarettes have been making their way into the hands of youth by widespread advertisement exposure, variety of appealing flavors, and lower product costs. Learn more, https: www.cdc.gov tobacco e cigarettes youth.html