Answer:
The brain perhaps
Explanation:
Mood and anxiety are cause by a chemical imbalance in the brain. When nicotine is put into the brain it affected how a person perceived emotion.
Answer:
The Brain
Explanation:
Nicotine acts in the brain by stimulating the adrenal glands to release the hormone epinephrine (adrenaline) and by increasing levels of the chemical messenger dopamine. Which alters behavior and mood.
Hope this helped!