Vaping as bad as fags after experts reveal e cigarettes can seriously damage the heart New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking We break down the key differences between traditional cigarettes and e cigarettescovering: 1 Their compositions and ingredients. 2 The health risks associated with both. 3 Nicotine levels and addiction potential. 4 The impact The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology