CADASIL is likely a rare condition; however, its prevalence is unknown.
How many people are affected by cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy ? [/INST] \n CADASIL is likely a rare condition; however, its prevalence is unknown.</s>