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Second-hand smoke: the facts.


Office of Tobacco Control

Type: Article
Region: Republic of Ireland
Northern Ireland

Second-hand smoke is the smoke a smoker blows into the air, and the smoke that drifts into the air from the burning end of a cigarette, cigar or pipe. Exposure to second-hand smoke frequently referred to as â?opassive smokingâ? occurs when you are exposed to other peopleâ?Ts tobacco smoke. Most of the smoke from a cigarette goes directly into the air. This is called side stream smoke. Second-hand smoke is the mix of the 15% mainstream smoke exhaled by the smoker and the 85% side stream smoke. This consumer information leaflet provides a summary of the health effects of second-hand smoke, recent steps taken to protect people in the workplace and advice in relation to protecting vulnerable groups.



Rights: Public
Suggested citation:

Office of Tobacco Control. (2004) Second-hand smoke: the facts. [Online]. Available from: [Accessed: 17th November 2019].


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