old person smoking cigarette man Stock Photo Senior Man Smoking Rolled Cigarette

(Indoor concentrations of nicotine in low-income, multi-unit housing: associations with smoking behaviours and housing characteristics, Tobacco Control 2009;18:438-444) suggests that the median nicotine concentration in homes with smoking tenants was 2.20 g/m

Non-smokers, particularly children and older adults, who are exposed to second-hand smoke are at an increased risk of developing eye problems such as dry eyes, irritation, and even cataracts over time

1 Two studies looking at the effects of smoking on arterial stiffness found that arterial stiffness is higher in smokers than non-smokers

It is well-known in the medical community that cigarette smoking is a risk factor for strokes