Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand smoke and vape aerosol are harmful to everyone, especially if you have asthma. As a tenant, protect your space by urging your building to go smoke free today. Learn more at TheSameBreathDE.com. What Are the Risks from Secondhand Vape Smoke? NVB Inc. Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Juul study shows secondhand vaping emissions are less toxic than cigarette smoke