|A body's immune system is present to protect its body cells from foreign substances that cause diseases. It produces antibodies against the foreign antigens leading to their destruction and hence death. In addition to this, various immune cells like lymphocytes and monocytes disrupt foreign cells by the process of phagocytosis in a normal biological condition. But sometimes, due to an abnormal immune response, body's immune system starts attacking its own healthy cells and tissues. It happens when the lymphocytes cannot distinguish between antigens and body's own cells. This leads to destruction of body's healthy tissues, which sometimes leads to death. Such conditions are referred to as the autoimmune diseases. The main consequence of such diseases is inflammation that leads to swelling, redness and chronic pain. The survey reports reflect that females get more acquainted with these diseases as compared to males.
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