Electronic Cigarettes and Your Health: Maritza O Jenkins, DMD: General Dentist 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 E Cigarette How E Cigarettes Work, Health Risks & Teen Use E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA