Amazon.com: NICOTESTS Nicotine Second Hand Smoke and Vape 10 ng Test (5 Pack) : Health & Household Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Hidden Dangers of Secondhand Vaping Emory Health Digest Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA About one in four adults in California report being exposed to secondhand smoke or vape in the past two weeksoften on sidewalks, at home, and in recreational spaces like parks and beaches. Secondhand smoke and vape aerosol are harmful to everyone, especially if you have asthma. As a tenant, protect your space by urging your building to go smoke free today. Learn more at TheSameBreathDE.com.