5 Vaping Facts You Need to Know Johns Hopkins Medicine Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Tobacco Smoke, Vaping, and Asthma AAFA.org CHEST A new research statement published in the May 2026 issue of the journal CHEST identifies four research questions regarding e cigarette Instagram E Cig Vapor Or Secondhand Smoke: Which Is Worse For You?