Almost All Kids Have Tobacco On Their Hands, Even in Non Smoking Homes News SDSU Secondhand smoke is harmful. Children exposed to secondhand smoke are at a 50 to 100% higher risk of acute respiratory illness. Say NO TOBACCO! Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure Will Vaping Lead Teens to Smoking Cigarettes? Johns Hopkins Medicine Parents using e cigs expose kids to dangerous secondhand vapor Futurity Secondhand vaping may pose risk to your kids: New study