This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Psychiatry
Morbid jealousy is seen with 
Select and explain. 
A. Alcoholism, B. Opium, C. Cannabis, D. Amphetamine
A: Alcoholism
Answer: A: Alcoholism 
Explanation: Alcohol-induced jealousy: patients suspect their spouses of infidelity and the belief is morbid enough to influence various aspects of personal and social life. Reference: P.105 chap.5 Substance use disorders textbook of postgraduate psychiatry Nivas &ahuja