Vaping vs. smoking: what are the risks? Pacific Life Re Electronic cigarettes (e cigarettes) are sometimes called e cigs, vapes, vape pens, and electronic nicotine delivery systems (ENDS). E cigarettes come in many shapes and sizes. Most e cigarettes contain nicotine. Get the facts about e cigarettes, Are E Cigarettes the Right Choice? SiOWfa15: Science in Our World: Certainty and Controversy 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 Difference between heated tobacco products and e cigarettes PMI Philip Morris International Is Vaping Better than Smoking? Vape Vibes