For many smokers, the act of lighting up comes with a nagging sense of 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, and even more serious long-term health issues in those that inhale it. https://jeffreynevk81581.wikissl.com/1875131/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke