In secondhand vape, scientists smell risk American Heart Association 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 About one in four adults in California report being exposed to secondhand smoke or vape in the past two weeksoften on sidewalks, at home, and in recreational spaces like parks and beaches. What Are the Risks from Secondhand Vape Smoke? NVB Inc. Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Secondhand vaping may pose risk to your kids: New study