<unk>  (; from "brain" + πάθος "suffering") means any disorder or disease of the brain, especially chronic degenerative conditions. In modern usage,<unk>  does not refer to a single disease, but rather to a syndrome of overall brain dysfunction; this syndrome has many possible organic and inorganic causes.
Encephalopathy
Myelopathy
Myopathy
Organomegaly
Neurotoxicity
Cerebral atrophy
Tooth loss
Osteopenia