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 1 vape vs. 1 pack of cigarettes Vaping vs. Smoking: What Can You Expect When You Make the Switch? Smoking VS Vaping: Which is More Harmful to Your Dental Health? Riverside Dental Study finds vaping injuries lead to high rates of long term respiratory problems, cognitive impairment, anxiety and depression.