Vaping vs Cigarettes Health Impacts Compared Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Does Vape Have Second Hand Smoke Secondhand vaping may pose risk to your kids: New study Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record Secondhand Smoke and Electronic Cigarette Aerosols US EPA