Cerebral cavernous malformations affect about 0.5 percent of the population worldwide.
How many people are affected by cerebral cavernous malformation ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by cerebral cavernous malformation ? [/INST] \n Cerebral cavernous malformations affect about 0.5 percent of the population worldwide.</s>