Yorkshire Smokefree Study shows second hand vaping exposure very low compared to second hand smoking 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 301 Second Hand Smoke Stock Videos, Footage, & 4K Video Clips Getty Images Second hand smoke child, Second hand smoke line icon, Second hand smoke children