Cigarette smoking increases rheumatoid arthritis risk in African-Americans

A new study determined that African Americans who smoke cigarettes have a higher risk of developing rheumatoid arthritis (RA). RA risk is more pronounced among individuals positive for the HLA-DRB1 shared epitope, a genetic risk factor for RA. Findings from this study - the largest to date examining the impact of smoking on RA risk in an African American population - are available in the December issue of Arthritis and Rheumatism, a journal published by Wiley-Blackwell on behalf of the American College of Rheumatology (ACR)...

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