Genetic predisposition to smoking is associated with risk of rheumatoid arthritis: a Mendelian randomization study.
Yu QianLingzhi ZhangDavid J H WuZhijun XieChengping WenYingying MaoPublished in: Arthritis research & therapy (2020)
These results provide support for a causal association between smoking and increased risk of RA. Further studies are warranted to explain the underlying mechanisms of smoking in the development of RA.