The inhalation of second hand smoke from the tip of a cigarette is known as side stream smoke and is a recognized cancer causing agent. But why? Side stream smoke is made at lower temperatures than E Cigarette and E Liquid Myths Debunked Tobacco Smoke, Vaping, and Asthma AAFA.org Did you know that vaping is included in UCF's smoke free policy? Vaping, like smoking, exposes those around you to second hand absorption of nicotine. Visit our website to learn more about vaping and Secondhand Smoke vs Vape: What the Science Says