Certain rheumatoid arthritis drugs have been linked to an increased risk of lymphoma, a type of lymph node cancer. However, new research suggests that these drugs do not cause lymphoma but that they are simply more likely to be given to patients destined to develop the cancer Most studies have shown an increased risk of lymphoma in patients with rheumatoid arthritis, the authors point out, and some studies have suggested that treatment with methotrexate or other drugs may also play a role.
