A 20-year-old male presents with behavioural disturbances, extrapyramidal symptoms and liver damage. Diagnosis?: (A) Huntington's disease, (B) Wilson's disease, (C) Parkinson's disease, (D) Hemochromatosis
Answer is B. Davidson's principles. 

In Wilson's disease, the organs more affected are liver, basal ganglia, eyes, kidney, skeleton.
Hepatic disease occurs predominantly in children and early adolescents. Neurological damage caused nasal ganglia syndromes and dementia.