Secondhand Smoke vs Vape: What the Science Says Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Tobacco Smoke, Vaping, and Asthma AAFA.org Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC13 Houston Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA