Conventional and multi omics assessments of subacute inhalation toxicity due to propylene glycol and vegetable glycerin aerosol produced by electronic cigarettes ScienceDirect 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 Smoking vs. Vaping: What You Need to Know The Vape Mall E Cigarettes and Vaping Texas Poison Center Network