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The Power Of Nicotine Addiction
Altered Brain Chemistry
Nicotine, the addictive substance in tobacco, is absorbed into the bloodstream where it affects brain chemistry. It quickly alters both mood and focus. Because of the large surface area of the lungs, smokers receive a big "hit" of nicotine with every puff. Since nicotine is absorbed directly into the bloodstream, the brain receives an almost instantaneous dose of pleasure with every inhalation of smoke.
Nicotine primarily affects the mid-brain, the part of the brain that controls moods and emotions. It produces pleasurable sensations while smoking, and anxiety and craving when nicotine is withheld. Doesn't that sound like a perfect formula for addict...
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