Is Vape Smoke Bad For Second Hand Secondhand smoke from vaping could be harmful to children: A smoke free and vape free environment during and after pregnancy is essential for your baby's safety. Learn more at SNHD.INFO SUID. According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. Does Vaping Cause Secondhand 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 Hidden Dangers of Secondhand Vaping Emory Health Digest