<unk>  or hypoalphalipoproteinemia is an extremely rare inherited disorder characterized by a severe reduction in the amount of high density lipoprotein (HDL), often referred to as "good cholesterol", in the bloodstream. Worldwide, approximately 100 cases have even been identified. The disorder was originally discovered on<unk>  Island off the coast of Virginia, but has now been identified in people from many different countries.
Tangier disease
Fuchs' dystrophy
Minamata disease
Retinoschisis
Akureyri disease
Bayoud disease
Ollier disease
Bahima disease