Yorkshire Smokefree 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 Can You Get Secondhand Smoke From Vapes Differing Opinions About Second Hand Vape Exposure What is Thirdhand Smoke? Thirdhand Smoke Resource Center Effects Of Second Hand Vape Smoke Secondhand Smoke and Electronic Cigarette Aerosol Resources