Secondhand smoke is harmful. Children exposed to secondhand smoke are at a 50 to 100% higher risk of acute respiratory illness. Say NO TOBACCO! Almost All Kids Have Tobacco On Their Hands, Even in Non Smoking Homes News SDSU Should I Be Concerned About Secondhand Vaping? The Dangers of Vaping and Second Hand Smoke to Children Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN