E Cigarette vapor: Is it more harmful than second hand smoke? Effect of second hand fumes from vaping on young lungs Secondhand vape exposure: Risks and side effects Is Second Hand Vape Smoke Bad Secondhand e cigarette aerosols expose kids to less nicotine than E cigarettes: Japan Tobacco International Tobacco Tactics FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims