New Resources Available! Protect Public Health from Secondhand Smoke and Vaping Aerosols Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek 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. Is Second Hand Vape Smoke Bad Second Hand Vaping