Left untreated,<unk>  tends to become progressively worse and is eventually fatal. With early detection and treatment, most of those affected can live relatively normal lives. Liver and neurologic damage that occurs prior to treatment may improve, but it is often permanent.
Wilson's disease
Huntington's disease
Wilson–Mikity syndrome
Fatty liver disease
Wilson's temperature syndrome
Mowat–Wilson syndrome
Bannayan–Riley–Ruvalcaba syndrome
Hemochromatosis type 4