81.   Though the causes remain unclear, autoimmune diseases are set off when an out-of-control immune system causes the body to attack its own tissues.

82.   When that control is lost, an autoimmune disease can ensue.

83.   Zycos is using a unique DNA-based approach to develop therapies to treat a variety of illnesses, including viruses, cancer and autoimmune diseases.

84.   Autoimmune disease is now the third major category of illness in many industrialized countries, behind heart disease and cancer, experts say.

85.   Autoimmune diseases caused when the body starts attacking itself overwhelmingly strike women -- and are often misdiagnosed, medical experts told a U.N. panel.

86.   Biogen has been developing Antova to treat autoimmune diseases such as multiple sclerosis and lupus, and for organ transplantation.

87.   But in the case of autoimmune diseases, where the body attacks itself, or in HIV, they become destructive.

88.   It is even being tested against a leading cause of blindness and autoimmune diseases.

89.   Rheumatoid arthritis is an autoimmune disease in which rogue immune cells attack the tissue cushioning joints, eventually disabling many patients.

90.   Similar approaches are being pursued for other autoimmune diseases, such as rheumatoid arthritis.