Are vape pens 'healthier' than cigarettes? Live Science E Cigs Vapes & Pod Based Tobacco Prevention Toolkit Stanford Medicine We know e cigarettes are better than 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 study could change everything we know about vaping.