Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Secondhand smoke and secondhand aerosol Secondhand Smoke vs Vape: What the Science Says Tobacco Smoke, Vaping, and Asthma AAFA.org Health: E Cigarettes & Second hand Smoking Secondhand cigarette smoke is a combination of smoke from the burning end of a cigarette and the smoke breathed out by smokers. Exposure to secondhand smoke has been linked to cardiovascular disease,