what organ does nicotine target that results in changes to mood and anxiety?\nbrain\nheart\nlung\npancreas

what organ does nicotine target that results in changes to mood and anxiety?\nbrain\nheart\nlung\npancreas
Answer
Brief Explanations:
Nicotine affects neurotransmitters in the brain, which can lead to mood - and anxiety - related changes.
Answer:
A. brain