Does Vaping Cause Secondhand Smoke? Bringing back evidence based Thursdays Secondhand vaping isn't harmless and the evidence is growing. A recent article from Medical News Today highlights what many of us in healthcare are already seeing: Should I Be Concerned About Secondhand Vaping? 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