It's Not The Smoke, It's The Nicotine: E Cigarettes May Damage Arteries No doubt' e cigarettes harmful: WHO TODAY Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts Facts about Vaping can be very vaporous ScienceUpFirst The Synthetic Nicotine Loophole Fueling a Return to Teenage Vaping The New York Times The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society