When taking a pause to have a cigarette one has learned to stop for a thoughtful moment. Tobacco is something that gives a right to have a pause. For some tobacco is a means to cheer up. Psychological dependency gets explicit, when a person can be without cigarettes for months but in a distressing situation there is an unsurpassable need to light up a cigarette. Dopamine for pleasure Nicotine activates the corresponding receptors in the brain and increases the level of dopamine secretion.
Nicotine causes strong physical dependency.
Smokers' organism becomes used to the substance. Nicotine activates the corresponding receptors in the brain and increases the level of dopamine secretion. As a result, a smoker experiences pleasure. When it does not get nicotine any longer, withdrawal symptoms will appear, usually such as anxiety, sleeplessness, headache and a strong urge to smoke. These physical symptoms are individual.