Nicotine addiction. Not be neglected in this chapter this problem. Today, no longer raises doubt that cigarette smoking contributes substantially to the development of cancer and there is a clear, detrimental effect of cigarette smoke on the systems: circulatory, digestive and respiratory system. Nicotine primarily provides mental health symptoms of addiction. There is no explicit physical symptoms, stop smoking and thus gives no harmful consequences, such as the possible abrupt discontinuation of drugs. In comparison with the negative impact on the whole organism mental symptoms are rather thin, but we irritant with increased opportunities, sleep disturbance, and in extreme cases – also with depression.