Which Smoking Habit Puts You Most at Risk? Do E Cigarettes Do More Good Than Harm? WSJ Vaping: What Parents Need to Know Vaping isn't harmless it's a serious concern. Most vape products contain nicotine, a highly addictive substance that can impact developing brains and overall health. Quitting e cigarettes vs tobacco: what motivates people to stop? BIT Analysis suggests e cigarette use may be linked to lower rates of smoking 2.3% of US population reports current e cigarette use