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 Secondhand smoke and secondhand aerosol Did you know that vaping can have similar secondhand impacts just like cigarettes? It is known to be harmful and has been linked to different respiratory and cardiovascular health issues! To learn Solving secondhand "vape smoke" at workand at home