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Health consequences of smoking 1–4 cigarettes per day
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  • Published on:
    Thank you for posting this article.

    Thank you for posting this article on-line. It is a public service. I have always wondered about the effects of my "light smoking" and have been advised by doctors that it was not dangerous. I am not a scientist and I appreciated the straight forward approach of the article and study. This information will be a huge help in my endeavor to quit smoking.

    Conflict of Interest:
    None declared.
  • Published on:
    Changes in Catalan smoking: A brief outsiders view

    In a visit to Catalonia in Spain during October 2005, I noticed a number of changes in the smoking culture and regulations, compared to a visit in 2001.

    Smokefree legislation is expected to be passed in 2006. The Catalonia regional government plans to take up the same tough stance as Ireland, the Netherlands and Norway. But there are already changes in Catalonia.

    In comparison to 2001, I came across sev...

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    Conflict of Interest:
    None declared.
  • Published on:
    Polymorphisms of genes involved in metabolism of cigarette smoke compounds, and health consequences

    To the Editor,

    I read with great interest the article by Bjartveit and Tverdal (2005), who investigated health consequences of smoking 1-4 cigarettes per day. They found that in both sexes, smoking 1-4 cigarettes per day was associated with a significantly higher risk of dying from ischaemic heart disease and from all causes, and in women, from lung cancer [1]. Genetic studies suggest that all stages of tobacco...

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    Conflict of Interest:
    None declared.
  • Published on:
    Authors' response to Dr Graham F Cope

    Dear Editor,

    We thank Dr Graham F Cope for his valuable remarks, and agree that underreporting of daily cigarette consumption might be of importance when assessing the risk in light smokers.[1]

    Dr Cope refers to two papers: a cross-sectional randomised study on smoking reduction in pregnant women, and an assessment of smoking status in patients with peripheral arterial disease.[2][3] Our study did not conc...

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    Conflict of Interest:
    None declared.
  • Published on:
    Health consequences of smoking 1-4 cigarettes per day

    I read the paper by Bjartveit and Tverdal with a great deal of interest(1). I welcome the fact that highlighting smoking, even a small number of cigarettes has a significant effect on ischaemic heart disease. However, these findings should be considered with a certain amount of scepticism, as the findings are based entirely on self-reported smoking habit. Biochemically validated research, both by ourselves(2), and other...

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    Conflict of Interest:
    None declared.