For many smokers, the act of lighting up comes with a nagging a feeling of guilt, especially around non-smokers, children, or perhaps in shared rooms. The well-documented risks of secondhand smoke are undeniable, related to respiratory infections, asthma, and even more serious long-term medical issues in those that inhale it. https://knoxtjzp93603.mycoolwiki.com/8280789/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke