Definition of "auto-immune" []

• Describing a condition where the immune system reacts to the body itself. (adjective)

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• "Most diseases which may be defined as auto-immune disorders, such as multiple sclerosis, systemic lupus, chronic fatigue syndrome and fibromyalgia, will prevent you from registering to become a potential volunteer donor."
• "Two years earlier, she had developed an auto-immune disease out of the blue and her kidneys had failed as a result."
• "Venus Williams has still to play a competitive match since being diagnosed with an auto-immune disease in August last year."