Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts Breathing in someone else's smoke or vape isn't harmless. Secondhand exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de otra Secondhand Smoke vs Vape: What the Science Says Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Secondhand vaping may pose risk to your kids: New study ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine,