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 cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Should I Be Concerned About Secondhand Vaping? Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN