Dependence is usually judged by patterns like tolerance, withdrawal, loss of control, and continued use despite harm, not by one craving in one moment
While these diagnoses may not all be due to smoking, its pretty clear the stuff can leave behind a lasting mark
Imperial Tobacco is still a major player in the global cigarette industry
Researchers looked at the brain activity of a group of 85 heavy smokers (at least 10 cigarettes a day) using a method called fMRI, or functional magnetic resonance imaging
Nice art gallery
Department of State Office of the Coordinator for Counterterrorism, April 30, 2008, Viewpoint on Public Issues , (Midland, Mich.: Mackinac Center for Public Policy, July 1, 2002)