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How does nicotine hook smokers?

Dr. Jeanne Morrison, PhD
Family Practitioner
Nicotine addiction is caused when the brain reacts to the dopamine levels produced when the chemical nicotine reaches the brain. When the brain releases chemicals that make you feel good, it then produces urges that make you want more nicotine. Your brain creates connections between smoking and other activities you might perform while smoking. These connections remind your brain of smoking and make you want more.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.