What are the biggest concerns with e-cigarettes?

Ernest Hawk, M.D., vice president of Cancer Prevention, addresses the larger concerns of e-cigarette use. His concerns are the popularity among minors, the addictive nature of nicotine, and the possible long-term effects of using e-cigarettes.

Learn more about tobacco and cancer at http://www.mdanderson.org/patient-and-cancer-information/cancer-information/cancer-topics/prevention-and-screening/tobacco/index.html