Nicotine is one of the main chemicals in tobacco. Nicotine is the main reason that smoking and other forms of tobacco are so addictive. Even though most tobacco users know that tobacco is bad for them, they find it hard to quit because of nicotine's addictive effect. Non-tobacco e-cigarettes, hookahs, and vaping pens also have a lot of nicotine in them.
1. Nicotine causes which of these changes in the body?
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Nicotine temporarily increases the heart rate by 2 to 3 beats a minute and increases blood pressure in the short term because it constricts blood vessels. Nicotine reduces blood flow to the heart.
2. What happens when nicotine comes into contact with the brain?
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This neurotransmitter produces a "natural high" within 7 to 10 seconds of inhaling. Nicotine is a central nervous system stimulant and also decreases the sensation of pain.
3. How does dependence on nicotine develop?
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Nicotine changes nerve signals that control physical actions, behavioral control and memory. That's why a certain remembered scene or a smell can trigger a craving for cigarettes.
4. What's the most common reason for not quitting?
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Stress is also one of the main reasons given for relapsing when trying to quit. Everyone has stress in their lives. But smokers use nicotine to help them cope with stress. When trying to quit, a smoker needs to find other ways of coping with stress.
5. E-cigarettes are also called vapes, e-hookahs, vape pens, and electronic nicotine delivery systems (ENDS). Any of these is a safe way to help you quit smoking.
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E-cigarettes have not been approved by the FDA as an aid to quit smoking. It's unclear if they can actually help with quitting. And they may be harmful. Serious lung conditions have been linked to vaping. This includes e-cigarette or vaping product use associated lung injury (EVALI). Some people have died from the lung conditions. Also, secondhand smoke from hookahs can be a health risk for nonsmokers. Talk with your healthcare provider about other ways to quit that are safe and that work well.
6. Medicines are available that can help you quit your dependence on nicotine.
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Your healthcare provider may be able to prescribe a medicine that can help you quit using nicotine. There are also over-the-counter medicines that work well to help people quit smoking.
7. Which has less nicotine than cigarettes?
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Tobacco dip and snuff actually have more nicotine than cigarettes. Holding dip in your mouth for 30 minutes can give you as much nicotine as smoking 4 cigarettes. Two cans of snuff have as much nicotine as 10-1/2 packs of cigarettes.
8. Self-help materials are the best way to quit using nicotine.
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Studies have shown that working with others to help you quit works better than trying to quit on your own. People who talk with a healthcare provider in person or on the phone, or go to support groups have better success rates. You can also find good online resources and support groups. The American Lung Association and the CDC are 2 good places to start looking for resources and support.