Secondhand Smoke Social Media Message Library Tobacco Education Clearinghouse of California What Are the Risks from Secondhand Vape Smoke? NVB Inc. Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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