Which immune system malfunction occurs when the body develops antibodies that attack its own tissues?

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Autoimmunity occurs when the immune system fails to recognize the body's own tissues as "self" and instead attacks them as if they were foreign invaders, leading to autoimmune diseases such as lupus, rheumatoid arthritis, and multiple sclerosis. Passive and active immunity refer to the ways in which the immune system defends against infectious agents. Aggressive immunity is not a recognized term in immunology.

Which Immune System Malfunction Occurs When the Body Develops Antibodies