A 56-year-old male asked:
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everyone says high cholesterol is genetic. my parents and sister are 260-300 and mine tests in around 100. same diet. how is this possible?

1 doctor answer
Dr. Ed Friedlander
43 years experience Pathology
It's complicated: Concurrent disease, diet and fitness habits contribute, of course. We're sorting out the genetics of cholesterol. Especially, a few "longevity" genes can make total cholesterol freakishly low as in your case; these tend to be autosomal recessives. Perhaps your parents are unknowing and unaffected carriers. For the same reason, blue eyes occasionally pop up among even the darkest-skinned nations.
Answered on Aug 25, 2015

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