Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science 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 Illustration of the four generations of e cigarette or vaping products. Download Scientific Diagram