For many smokers, the act of lighting up comes with a nagging sense of guilt, especially around non-smokers, children, or perhaps in shared areas. The well-documented risks of secondhand smoke are undeniable, associated with respiratory infections, asthma, and many more serious long-term medical issues in those that inhale it. https://rivertkar03704.wikitron.com/1934304/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke