The prevalence of Tangier disease is estimated to be less than 1/1,000,000.  Worldwide, Tangier disease has been diagnosed in about 100 patients.
What is the disease Tangier?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the disease Tangier? [/INST] \n The prevalence of Tangier disease is estimated to be less than 1/1,000,000.  Worldwide, Tangier disease has been diagnosed in about 100 patients.</s>