Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice The risks of vape pens' secondhand aerosols Second hand vape smoke linked to more asthma symptoms in kids Second Hand Vaping Vape Smoke Free Is Vaping Better Than Smoking? American Heart Association Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN