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
Substance dependence is due to all except? 
Select and explain. 
A. Personality, B. Peer Pressure, C. Family history of substance abuse, D. Intelligence
D: Intelligence
Answer: D: Intelligence 
Explanation: Family history & genetic vulnerability, Co-morbid personality disorder and peer pressure are etiological factors for substance use disorder.