For many smokers, the act of smoking cigarettes comes with a nagging sense of guilt, especially around non-smokers, children, or perhaps shared areas. The well-documented hazards of secondhand smoke are undeniable, associated with respiratory infections, asthma, sometimes more serious long-term health issues in those that inhale it. https://juarez-boswell-3.technetbloggers.de/clearing-the-air-can-personal-air-filters-protect-others-from-secondhand-smoke