<prompt> Answer this question truthfullyCan you explain what systemic lupus erythematosus is?  <response>: <reason> There are no established direct causes of systemic lupus erythematosus. Common contributory factors in the development of systemic lupus erythematosus include genetic predisposition, auto-immune diseases, and use of drugs. Less common factors include environmental factors and exposure to ultraviolet UV light. 