What are Autoimmune diseases

Autoimmunity is the flaw in a functional division of the immune system called self-tolerance, which results in immune responses against the body’s own cells and tissues. Any disease that results from this type of response is called autoimmune disease. Famous examples include type 1 diabetes mellitus, systemic lupus erythematosus, Sj√∂gren’s syndrome, Hashimoto’s thyroiditis, Graves’ disease …