Answer:
1) Nicotine activates dopamine signals
2) withdrawal symptoms
3) Nicotine mimics several neurotransmitters
4) Blood reaches the brain 10x faster after one inhale
Explanation:
1) Nicotine stimulates the pleasure, mimicking dopamine, so your brain starts to associate nicotine use with feeling good.
2) When you try to quit the brain sends withdraw signals to the brain it has side effects including anxiety, irritability, and a strong craving for nicotine.
3) neurotransmitter acetylcholine, signaling increases in the brain.
4) blood rushing to the brain can make you feel at ease
