For many smokers, the act of lighting up comes with a nagging feeling of guilt, especially around non-smokers, children, or even in shared apartments. The well-documented dangers of secondhand smoke are undeniable, linked to respiratory infections, asthma, and much more serious long-term medical issues in those that inhale it. https://squareblogs.net/helensled5/clearing-the-air-can-personal-air-filters-protect-others-from-secondhand