Which neurotransmitter is commonly linked with the effects of nicotine?

Dopamine is closely associated with the effects of nicotine due to its role in the brain's reward system. When nicotine is introduced into the body, it stimulates the release of dopamine in various areas of the brain, particularly in the mesolimbic pathway, which is crucial for pleasure and reward. This increased dopamine activity reinforces pleasurable sensations, making nicotine addictive. Additionally, dopamine is involved in motivation and mood regulation, further explaining why nicotine consumption can lead to repeated use despite adverse effects. The link between nicotine and dopamine underscores the neurotransmitter's significance in understanding addiction mechanisms and the psychological effects of nicotine on individuals.