Autoimmune diseases occur when autoantibodies develop and begin to destroy the body's own cells.

Question

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Autoimmune diseases can occur in many body systems when lymphocytes and antibodies are sensitized to develop against "self," that is, against the constituents of the body's own tissues. The production of the autoantibodies may occur by means of several mechanisms, including disease, injury, metabolic change, and a mutation of immunologically competent cells.

Autoimmune Diseases Occur When Autoantibodies Develop and Begin to Destroy