is lupus a common autoimmune disease
1 Lupus is an autoimmune disease that can be mild or life threatening. 2  The most common forms of lupus are the milder forms, and most people with lupus enjoy a full life.3  More than 90% of lupus sufferers are women.ere are some key points about lupus. More detail and supporting information is in the main article. 1  Lupus is an autoimmune disease that can be mild or life threatening. 2  The most common forms of lupus are the milder forms, and most people with lupus enjoy a full life.