Quit Smoking To Take Care Of Psoriatic Arthritis

December 2, 2012

We have already seen that smoking is a proven risk factor for Rheumatoid Arthritis.

Researchers have been looking for the association between smoking & other forms of arthritis for a long time. Wenquing Li & colleagues have recently reported their study about the risk of Psoriatic arthritis due to smoking.

They analyzed the data from Nurses Health Study II (116430 participants over a period of 14 years spanning from 1991 to 2005). Detailed information about smoking was obtained biennially from these participants & they were questioned about psoriatic arthritis that started after 1991. In total, 94874 participants were studied over this 14 years period.

The study revealed :
1. Higher incidence of Psoriatic Arthritis among current & past smokers.
2. Higher risk among current smokers as compared to past smokers.
3. Risk increases with the smoking intensity & duration.
4. Psoriatic patients who smoke are more likely to develop psoriatic arthritis.

Other studies have tried to study the link between smoking & Psoriatic Arthritis & have shown varying results. However, this study is important given the numbers & the period of observation (14 years). How smoking increases the risk of psoriatic arthritis is still not very clear; the way it is in Rheumatoid arthritis.

Nevertheless, if you have Psoriasis or Psoriatic Arthritis, it is prudent to quit smoking to prevent development of/ keep the arthritis in check.

References:
Smoking and risk of incident psoriatic arthritis in US women. Ann Rheum Dis. 2012 Jun;71(6):804-8. Li W, Han J, Qureshi AA.

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