Pantothenate kinase-associated neurodegeneration

Pantothenate kinase-associated neurodegeneration or Hallervorden Spatz disease is a rare disease primarily characterized by extrapyramidal symptoms and dementia, or extreme forgetfullness. Hallervorden-Spatz disease is degenerative brain disease, meaning the longer a person has it the worse the effects become. Scientists think it is caused by a build up of too much Iron in the brain. 
Symptoms.
The effects of the disease usually start at a young age and often result in a quick death. Some effects include: