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: Psychiatry
ADHD in childhood can lead to what in future -a) Schizophreniab) Alcoholism c) Intellectual changesd) Antisocial behaviour 
Select and explain. 
A. abc, B. acd, C. bcd, D. bd
C: bcd
Answer: C: bcd 
Explanation: ADHD patients are vulnerable to antisocial behavior, substance use disorders (alcoholism), mood disorders, conduct disorder, and lower education attainments.