In this Article:
Smoking Addiction
How Does Nicotine Work?
Why Is It So Hard To Quit Smoking?
Smoking Treatment
Smoking Addiction Forum
Nicotine is an authoritative central nervous system stimulant. Not only does it rank as one of the world's most addictive substances, but it is also a potent neurotoxin in humans. It activates the brain's nicotinic receptors, which increases the creation and release of a wide neurotransmitters, including dopamine, acetylcholine, and norepinephrine.
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