Secondhand smoke and secondhand aerosol Health: E Cigarettes & Second hand Smoking Effect of second hand fumes from vaping on young lungs Secondhand smoke and secondhand aerosol Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids 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,