Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Can You Get Secondhand Smoke From a Vape or E Cigarette? Is Secondhand Vaping Harmful To Your Health? Second hand vape smoke linked to more asthma symptoms in kids Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.