E Cigarettes vs. Vaporizers: What's the Difference? Vaping vs. Smoking: Health Risks and Long Term Effects AOI New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking How have e cigarettes changed over time? 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 Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat