Secondhand Smoke vs Vape: What the Science Says Passive vaping time we see it like secondhand smoke and stand up for the right to clean air Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record