The dangers of vaping Baylor College of Medicine Blog Network Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science Vaping: The Small Habit That Hits Harder Than You Think Maryland Physicians Care Toki Let's be real, what's the difference between vaping versus smoking cigarettes? We know that vaping contains no tobacco and far less chemicals than cigarettes but the keyword here is 'less'.