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When own immune system of Individual is agent of diseases

Elaborate name given to conditions in which the own immune system of the Individual is the agent of diseases? Give some illustrations of these conditions?

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Diseases caused by the act of the self immune system of the individual are known as autoimmune diseases. The autoimmune diseases arise when the immune system creates antibodies or defense cells that attack tissues, cells and organs of its own body. The attacked cells or tissues are wrongly identified as antigens by immune system. Examples of these conditions are Crohn's disease (chronic inflammation of the gut), lupus, scleroderma, vitiligo, Rheumatoid arthritis, pemphigus, type I diabetes mellitus, Hashimoto's disease and myasthenia gravis as well as Graves disease.

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