TRIBUNSOLO.COM – Many people already know the dangers of smoking.
However, some of them only think that smoking is harmful to the lungs and heart.
Though smoking is also harmful to brain conditions.
Neurologist Lori A. Russell-Chapin says nicotine can also mimic some of the brain neurotransmitters called acetylcholine.
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“This neurotransmitter can stimulate muscle contractions to produce signals in the brain,” he said.
Not only that, nicotine can also activate the dopamine signal, which creates a pleasant sensation.
“Over time, the brain gets used to this activity and reduces the number of acetylcholine receptors,” he says.
Of course, this will trigger tolerance to nicotine, which makes a person feel the need for more nicotine.
Nicotine also stimulates the brain’s pleasure centers, mimicking dopamine, so the brain begins to associate nicotine use with feeling good.
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