This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which among the following medications has been found to be effective in smoking cessation? 
Select and explain. 
A. Bupropion, B. Buspirone, C. Paroxetine, D. Venlafaxine
A: Bupropion
Answer: A: Bupropion 
Explanation: Bupropion has been shown to reduce the urge in people who need to quit smoking. Also used for depression Ref: KD Tripathi 8th ed.