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Even a few cigarettes a day increases risk of rheumatoid arthritis

Date:
April 22, 2013
Source:
BioMed Central Limited
Summary:
Number of cigarettes smoked a day and the number of years a person has smoked both increase the risk of rheumatoid arthritis (RA), finds new research. The risk decreases after giving up smoking but,compared to people who have never smoked, this risk is still elevated 15 years after giving up.

Number of cigarettes smoked a day and the number of years a person has smoked both increase the risk of rheumatoid arthritis (RA), finds research in BioMed Central's open access journal Arthritis Research & Therapy. The risk decreases after giving up smoking but, compared to people who have never smoked, this risk is still elevated 15 years after giving up.

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Researchers from the Karolinska Institutet and Karolinska University Hospital analysed data from the Swedish Mammography Cohort, which included 34,000 women aged between 54 and 89, 219 of which had RA. Results of the study showed that even light smoking is associated with an increased risk of RA -- smoking 1 to 7 cigarettes a day more than doubled this risk. When the team compared people who had never smoked, to women who had smoked for up to 25 years, they found that the risk also increased with length of smoking.

Stopping smoking did decrease chances of developing RA, with the risk continuing to decrease over time -- 15 years after giving up the risk of RA had decreased by a third. However, compared to people who had never smoked, this risk remained significantly higher at 15 years after giving up.

Daniela Di Giuseppe, who led this study, commented, "Stopping smoking is important for many health reasons, including the increased risk of RA for smokers. But the clearly increased risk of developing RA, even many years after giving up, is another reason to stop smoking as soon as possible, and highlight the importance of persuading women not to start at all."


Story Source:

The above story is based on materials provided by BioMed Central Limited. Note: Materials may be edited for content and length.


Journal Reference:

  1. Daniela Di Giuseppe, Nicola Orsini, Lars Alfredsson, Johan Askling, Alicja Wolk. Cigarette smoking and smoking cessation in relation to risk of rheumatoid arthritis in women. Arthritis Research & Therapy, 2013; 15 (2): R56 DOI: 10.1186/ar4218

Cite This Page:

BioMed Central Limited. "Even a few cigarettes a day increases risk of rheumatoid arthritis." ScienceDaily. ScienceDaily, 22 April 2013. <www.sciencedaily.com/releases/2013/04/130422101059.htm>.
BioMed Central Limited. (2013, April 22). Even a few cigarettes a day increases risk of rheumatoid arthritis. ScienceDaily. Retrieved January 31, 2015 from www.sciencedaily.com/releases/2013/04/130422101059.htm
BioMed Central Limited. "Even a few cigarettes a day increases risk of rheumatoid arthritis." ScienceDaily. www.sciencedaily.com/releases/2013/04/130422101059.htm (accessed January 31, 2015).

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