Cancer Epidemiol Biomarkers Prev 18 (2): 541-50, 2009
Air fresheners merely mask the problem by mixing tobacco odor with fragrance, often making the situation even worse
Cancer E-cigarettes contain many of the same cancer-causing chemicals that regular cigarettes do
Additionally, another study from 2016 reviewed the effects of nicotine on over 13,000 men and 6,000 women, confirming the trend that smoking is associated with higher testosterone levels in men, while no significant association was noted in women (Healthline)
Similarly, when evaluating the association between tobacco products and COPD incidence, cigarette and cigarette and e-cigarette dual use were associated with greater COPD incidence compared to never tobacco use