Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. What is Thirdhand Smoke? Thirdhand Smoke Resource Center Can You Get Second Hand Smoke From Vape Differing Opinions About Second Hand Vape Exposure Does Vaping Cause Secondhand Smoke? Can You Fail a Drug Test From Secondhand Smoke? Test Smartly Labs