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2. Nicotine withdrawal - Wikipedia

   en.wikipedia.org/wiki/Nicotine_withdrawal

   The brain recruits an opposing force to dampen the effects of nicotine and this causes tolerance (the reduction in the effect of nicotine). The onset of this opposing force and the fact that the brain becomes used to and dependent on nicotine to function normally is known as physical dependence. When nicotine intake is decreased, the brain's ...

3. Effects of nicotine on human brain development - Wikipedia

   en.wikipedia.org/wiki/Effects_of_nicotine_on...

   A 2015 review concluded that "Nicotine acts as a gateway drug on the brain, and this effect is likely to occur whether the exposure is from smoking tobacco, passive tobacco smoke or e-cigarettes." [25] Nicotine may have a profound impact on sleep. [26] The effects on sleep vary after being intoxicated, during withdrawal, and from long-term use ...

4. Smoking cessation - Wikipedia

   en.wikipedia.org/wiki/Smoking_cessation

   Smoking cessation, usually called quitting smoking or stopping smoking, is the process of discontinuing tobacco smoking. [1] Tobacco smoke contains nicotine , which is addictive and can cause dependence .

5. Study: Smoking permanently shrinks the brain, driving up ...

   www.aol.com/study-smoking-permanently-shrinks...

   Smoking cigarettes has long been linked to health issues involving the mouth, lungs and chest. However, a new study has found another negative effect of the harmful habit — this time, involving ...

6. Quitting smoking abruptly has best long-term results - AOL

   www.aol.com/news/2016-03-14-quitting-smoking...

   People who quit smoking all at once are more likely to be successful than those who cut down on cigarettes gradually, according to a new study. Quitting smoking abruptly has best long-term results ...

7. Smoking’s effects on the immune system can last years ... - AOL

   www.aol.com/smoking-effects-immune-system-last...

   Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found.