IMMUNOLOGY

Detailed explanation-1: -If you have an autoimmune disease, your immune system attacks the healthy cells of your organs and tissues by mistake. There are more than 80 types of autoimmune diseases. They can affect almost any part of your body.

Detailed explanation-2: -Autoimmune disease happens when the body’s natural defense system can’t tell the difference between your own cells and foreign cells, causing the body to mistakenly attack normal cells.

Detailed explanation-3: -An autoimmune disorder occurs when the body’s immune system attacks and destroys healthy body tissue by mistake. There are more than 80 types of autoimmune disorders.

Detailed explanation-4: -Autoimmune disease occurs when a specific adaptive immune response is mounted against self antigens. The normal consequence of an adaptive immune response against a foreign antigen is the clearance of the antigen from the body.