Smoke that passes from a cigarette into the surrounding air, rather than into the smoker’s lungs.
- There is no ventilation system that reduces or eliminates the carcinogenic products of second-hand smoke or the sidestream smoke from cigarette smoking.
- Many potentially toxic gases are present in higher concentrations in sidestream smoke than in mainstream smoke and nearly 85 per cent of the smoke in a room results from sidestream smoke.
- Ventilation systems certainly do work in terms of removing the irritants in cigarette smoke, but they do not remove the carcinogens in sidestream smoke.
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Syllabification: side·stream smoke
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