Secondhand smoke and vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or The Scary Truth About Teen Vaping Second hand vape smoke linked to more asthma symptoms in kids Does Vaping Cause Second Hand Smoke V2 Cigs UK 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.