Most people spend between $1,600 to $2,000 a year, every year, just for cigarettes. But that isn’t the real cost each of these people pay to smoke. The true cost is listed at the bottom of this page. But before scrolling there, take a moment to review just what is in the cigarette smoke you inhale and what these chemicals’ effects are in general.

There are over 3,000 chemicals present in cigarette smoke. All are inhaled by the smoker and by those people around the smoker. Some, like Polonium 210, are particles (small pieces of chemicals) while others, like Benzene, are gases. All retain their toxic effects despite being burned in the tobacco. Twenty Five of the most deadly are listed below along with their general effects on the human body.