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Women and rheumatoid arthritis . . . and other stories

BMJ 2017; 358 doi: https://doi.org/10.1136/bmj.j4184 (Published 14 September 2017) Cite this as: BMJ 2017;358:j4184

Gender differences in rheumatoid arthritis

Why is rheumatoid arthritis two or three times commoner in women than men? A large case-control study from Sweden explores the influence of breast feeding and exposure to oral contraceptives but fails to find much in the way of explanation (Ann Rheum Dis doi: 10.1136/annrheumdis-2017-211620). Women who had used oral contraceptives had a slightly lower risk of zero positive rheumatoid arthritis than women who had never used them, but breast feeding made no difference.

Parents of very low birthweight babies

Understandably enough, parents of children born very preterm or with very low birthweight experience a high level of emotional stress during the early years. However, a longitudinal study from …

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