Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Lupus ?
    ### Response:
    Lupus is an autoimmune disease that can affect almost every organ in the body. Symptoms of lupus can range from very mild to life-threatening. There are three types of lupus; systemic lupus erythematosus, discoid lupus, and drug-induced lupus. Genetics is thought to play a role in the development of lupus along with other lifestyle and environmental factors.
    