Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine What Are the Risks from Secondhand Vape Smoke? NVB Inc. Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center In secondhand vape, scientists smell risk American Heart Association Chemicals 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