MCGILL (CAN) — Taking medication to treat lupus does not significantly increase the risk of lymphoma, according to new research.The study, which is published in Annals of the Rheumatic Diseases this month, addresses long-standing fears of a link between taking immunosuppressive drugs to treat lupus and cancer. Systemic lupus erythematosus (SLE), commonly known as lupus, is an autoimmune disease in which the body’s immune system attacks healthy tissue such as the skin, joints, kidneys, and the brain, leading to inflammation and lesions.