Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Stop Smoking E Cigarettes CardioSmart American College of Cardiology 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 Cigarette lectronique Vaporesso