In these cases, the cadmium typically comes from crowded, multi-unit housing where smoke spreads through shared ventilation systems or from food, soil and traffic exhaust. She added that people with less education often have only limited access to health warnings, making it harder to join smoking cessation programs
Some of the all-star toxicants found in spent cigarette filters are nicotine, polycyclic aromatic hydrocarbons, heavy metals, insecticides, nitrosamines, and phenols
Hardesty J, Awopegba A, Cohen J
I'd watch people smoking from afar, watch their facial expressions, their body language, and I kid you not, never once did I ever see any smoker looking like they were actually enjoying their ciggie