Nicotine is a chemical substance in cigarettes that is addictive. The higher content of nicotine in cigarettes to a smoker who used it more difficult to quit. The report of the Massachusetts Health Department found that the amount of nicotine in cigarettes has steadily increased over the past 6 years. Nicotine was detected in all categories of cigarettes, including “ultra light” brands.
Some researchers believe nicotine is addictive, like heroin. In fact, nicotine has the same validity as heroin and cocaine, as well as chemically region affects the brain.
Depending on the amount of nicotine in the smoke, he can act as a stimulant or a sedative. Smoking is a rapid positive results.
For example:
* Enhance mood and relieve depression
* Suppress anger
* Increased concentration and short-term memory
* Causes feel better
Most smokers have a special love for the first cigarette with which they begin a new day, because the brain is particularly active in responding to the surge of nicotine in the body, after the rest (sleep). Nicotine, which comes with the first day of cigarettes increases the activity of accordion dopamine, a chemical in the brain, which causes a pleasant feeling, a feeling similar to getting awards.
However, during the day, the nerve cells are less and less responsive to nicotine. Smoking becomes less enjoyable, and tobacco increases the number of cigarettes to obtain the so-called “reward.” A smoker develops a stable attachment to these effects very quickly and they need more nicotine.



