Smoking is a major preventable risk factor for Rheumatoid arthritis Estimations of risks after various exposures to cigarette smoke

摘要

BackgroundEarlier studies have demonstrated that smoking and genetic risk factors interact in providing an increased risk for Rheumatoid Arthritis (RA). Less is known on how smoking contributes to RA in the context of genetic variability, and what proportion of RA that may be caused by smoking.