<unk>  is a disorder consisting of low levels of LDL cholesterol or apolipoprotein B, below the 5th percentile. The patient can have<unk>  and simultaneously have high levels of HDL cholesterol. Notably, in people who do not have the genetic disorder<unk> , a very low cholesterol level (less than 100mg/dl) may be a marker for poor nutrition, wasting disease, cancer, hyperthyroidism, and liver disease. In 1997 a study showed that Japanese Centenarians had ten fold increase of<unk>  compared with controls.
Hypobetalipoproteinemia
Abetalipoproteinemia
Hypoalphalipoproteinemia
D-Glyceric acidemia
Familial dysbetalipoproteinemia
Pipecolic acidemia
Galactosemia
Orotic aciduria