Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Passive smoking: how e cigarettes stack up against real cigarettes 9Coach Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Vaping or smoking impacts those around you., Even passive mist from vapes and smoke from cigarettes can harm others. , Its your choice to vape or smoke but do your friends have a choice too? Passive Vape Exposure From E Cigarettes Linked to Acute Health Effects in COPD Pulmonology Advisor