This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance abuse, Subject name: Psychiatry
Morbid jealousy is most often seen in patients taking 
Select and explain. 
A. Alcohol, B. Amphetamine, C. LSD, D. Cannabis
A: Alcohol
Answer: A: Alcohol 
Explanation: Some Complications of Alcohol Dependence Medical Complications Central Nervous System: i. Peripheral neuropathy ii. Delirium tremens iii. Rum fits (Alcohol withdrawal seizures) iv. Alcoholic hallucinosis v. Alcoholic jealousy vi. Wernicke-Korsakoff psychosis vii. Marchiaa-Bignami disease viii. Alcoholic dementia ix. Suicide x. Cerebellar degeneration xi. Central pontine myelinosis xii. Head injury and fractures. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 39