For many smokers, the act of lighting up comes with a nagging sense of guilt, especially around non-smokers, children, or perhaps in shared rooms. The well-documented hazards of secondhand smoke are undeniable, related to respiratory infections, asthma, sometimes more serious long-term health issues in those who inhale it. https://pad.geolab.space/9U5B6hebTE2hinJH87VHKw/