Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy ?
    ### Response:
    Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy, commonly known as CARASIL, is an inherited condition that causes stroke and other impairments.  Abnormalities affecting the brain and other parts of the nervous system become apparent in an affected person's twenties or thirties.
    