Could bariatric surgery trigger autoimmune diseases?

Four case reports suggest there may be a connection between bariatric surgery and the onset of autoimmune diseases.

The cases from Colombia involve patients with no history of autoimmune disease who were diagnosed with systemic lupus erythematosus or rheumatoid arthritis after a bariatric procedure.

In one case, a 42-year-old woman was admitted with fatigue, hair loss, migratory arthritis and abdominal