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. Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Parents using e cigs expose kids to dangerous secondhand vapor Futurity Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Vape Smoke 220w Risk From Second Hand Smoke On Children Greater Than Previously Thought Second Hand Smoking From Vaping Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record