E Cigarettes May Be Safer Than Tobacco Cigarettes When It Comes To Formaldehyde; Should We Be Skeptical? E cigarettes potentially harmful: PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers EurekAlert! 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 cigarettes: nicotine supplement or aid to quit smoking? New research from the University of New South Wales warns that vaping is not the safe alternative it was once thought to be. The review of studies from 2017 to 2025 links