http://www.fda.gov/bbs/topics/NEWS/2006/NEW01370.html
U.S. Food and Drug Administration
This news release announces the approval by the Food and Drug Administration (FDA) of Chantix, an oral drug that can help people quit smoking by acting on sites in the brain affected by nicotine. The drug provides some nicotine effects to help ease withdrawal, and it blocks nicotine effects if smoking is resumed.