This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
A 20-year-old male presents with behavioural disturbances, extrapyramidal symptoms and liver damage. Diagnosis? 
Select and explain. 
A. Huntington's disease, B. Wilson's disease, C. Parkinson's disease, D. Hemochromatosis
B: Wilson's disease
Answer: B: Wilson's disease 
Explanation: 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.