Congenital insensitivity to pain is a rare condition; about 20 cases have been reported in the scientific literature.
How many people are affected by congenital insensitivity to pain ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by congenital insensitivity to pain ? [/INST] \n Congenital insensitivity to pain is a rare condition; about 20 cases have been reported in the scientific literature.</s>