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Nicotine dependence
Nicotine dependence occurs when you need nicotine and can't stop using it. Nicotine is the chemical in tobacco that makes it hard to quit. Nicotine produces pleasing effects in your brain, but these effects are temporary. So you reach for another cigarette.
The more you smoke, the more nicotine you need to feel good. When you try to stop, you experience unpleasant mental and physical changes. These are symptoms of nicotine withdrawal.
Regardless of how long you've smoked, stopping can improve ...
When to seek medical or mental health expertAlways seek the advice of your physician or other qualified health provider with any questions you may have regarding your health. Never disregard professional medical advice or delay in seeking it because of something you have read on the community.For some people, using any amount of tobacco can quickly lead to nicotine dependence. Signs that you may be addicted include:
- You can't stop smoking. You've made one or more serious, but unsuccessful, attempts to stop.
- You have withdrawal symptoms when you try to stop. Your attempts at stopping have caused physical and mood-related symptoms, such as strong cravings, anxiety, irritability, restlessness, difficulty concentrating, depressed mood, frustratio...
Nicotine is the chemical in tobacco that keeps you smoking. Nicotine reaches the brain within seconds of taking a puff. In the brain, nicotine increases the release of brain chemicals called neurotransmitters, which help regulate mood and behavior.
Dopamine, one of these neurotransmitters, is released in the reward center of the brain and causes feelings of pleasure and improved mood.
The more you smoke, the more nicotine you need to feel good...
Like most smokers, you've probably made at least one serious attempt to stop. But it's rare to stop smoking on your first attempt — especially if you try to do it without help. You're much more likely to be able to stop smoking if you use medications and counseling, which have both been proved effective, especially in combination.
Medications
Some quit-smoking products are known as nicotine replacement therapy because they contain varying amounts of nicotine. ...
The best way to prevent nicotine dependence is to not use tobacco in the first place.
The best way to keep children from smoking is to not smoke yourself. Research has shown that children whose parents do not smoke or who successfully quit smoking are much less likely to take up smoking.
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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