E cigarettes: How they work, risks, and research Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record 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. Le tabagisme passif DNF demain sera non fumeur Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC