For many smokers, the act of smoking cigarettes comes with a nagging a sense guilt, especially around non-smokers, children, or perhaps shared apartments. The well-documented hazards of secondhand smoke are undeniable, related to respiratory infections, asthma, sometimes more serious long-term health concerns in those that inhale it. https://jeffreynevk81581.wikissl.com/1875131/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke