What Are the Risks from Secondhand Vape Smoke? NVB Inc. Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 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 Secondhand vape exposure: Risks and side effects Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London