Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago 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. Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand Vaping: E Cigarettes Pose a Risk to More Than Just the User Eastburn Hypnotherapy Center Denver, CO