For many smokers, the act of smoking cigarettes comes with a nagging a sense guilt, especially around non-smokers, children, or even in shared living spaces. The well-documented dangers of secondhand smoke are undeniable, associated with respiratory infections, asthma, sometimes more serious long-term health issues in those who inhale it. https://charliejbri60370.wikifordummies.com/9120024/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke