E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA 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 Read "Public Health Consequences of E Cigarettes" at NAP.edu E Cigarette Brands Are Skirting the Rules About Health Warning Labels on Instagram, Study Finds The Brink Boston University