Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market 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.