In secondhand vape, scientists smell risk American Heart Association Passive vaping time we see it like secondhand smoke and stand up for the right to clean air According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% Secondhand vape aerosol can contain particles and chemicals that may affect indoor air quality. Research continues to examine possible respiratory impacts. 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 Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools