Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at I'm confused : r ENGLISH