How secondhand smoke, thirdhand smoke & vaping affects kids 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 Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Thirdhand Smoke 101 Thirdhand Smoke Resource Center Does Vaping Cause Secondhand Smoke?