Many ways to stop smoking, includes using the drug. One of the drugs on offer is varenicline, a first non-nicotine drug to stop smoking.

Varenicline works on nicotine receptors in the brain by reducing symptoms of craving oraddiction and reduce the feeling of pleasure arising from smoking. For the problem of pleasure, it will release nicotine affect dopamine endofrin that cause pleasure. When given varenicline, he (varenicline) will block the receptors to suppress a sense of joy that in his four alpha. If the beta of two, will reduce cravings.

By taking varenicline, the patient was reluctant to smoking and felt that cigarette was not enjoyable anymore. According to a study in the United States, varenicline four times more effective in helping patients quit smoking compared with no drug.

Studies in Korea and Taiwan show, 59.5 percent of subjects who were treated with varenicline stopped smoking in the last four weeks of therapy and the other 46.8 percent is still not smoking at 12 weeks after therapy.

Side effects of the drug varenicline are nausea, insomnia, dreams that did not norm, and headaches. For the moment, varenicline still must use a doctor’s prescription.

(source: go-killz.blogspot.com)