For many smokers, the act of lighting up comes with a nagging a sense guilt, especially around non-smokers, children, or perhaps shared areas. The well-documented dangers of secondhand smoke are undeniable, related to respiratory infections, asthma, and many more serious long-term health issues in those that inhale it. https://augustecyu38383.wikigdia.com/7504438/clearing_the_air_can_personal_air_filters_protect_others_from_secondhand_smoke