| What is there about smoking that poses such dangers for the tobacco user and the nonsmoker exposed to sidestream smoke? |
| There is no ventilation system that reduces or eliminates the carcinogenic products of second-hand smoke or the sidestream smoke from cigarette smoking. |
| Secondhand tobacco smoke is the combination of both sidestream and mainstream smoke emissions from a burning tobacco product. |
| Investigations of sidestream smoke suggest it is more dangerous than direct smoke. |
| Inhalation of sidestream cigarette smoke accelerates development of arteriosclerotic plaques. |
