There is still no treatment specific, or discovery of cause of Lupus, much less the cure, but the advances in medicine in the understanding of the disease mechanisms for the encouragement of the study and the development of new drugs. Have already proven that some care is fundamental to the control of the disease, how to avoid exposure to the sun, use sun protection, balanced diet, physical activity, and avoid cigarettes, alcohol and any other drug, helps a lot the work of the disease.
The life expectancy of a person with Lupus I believe that is the same as the normal population, a person with Lupus quality of life could live much more time than a sane person who leads a life without a lot of care with food, cigarettes, drinks, sedentary lifestyle...