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 VAPING: Less harmful but not safe ScienceUpFirst Are Vaping & E Cigarettes Truly Safer Than Cigarettes? E cigarettes 'safer' than regular cigarettes Are e cigarettes safer than cigarettes? UPMC MyHealth Matters