Secondhand Vape Exposure: Effects, Who's at Risk, and More Can you get second hand smoke from a vape Teen Vaping: What Parents Can Do Children's Hospital Colorado Secondhand smoke is harmful. Children exposed to secondhand smoke are at a 50 to 100% higher risk of acute respiratory illness. Say NO TOBACCO! Kids Less Likely to Use Unflavored Tobacco Products Penn LDI Tobacco Smoke, Vaping, and Asthma AAFA.org