 - The prevalence of cigarette smoking among individuals with schizophrenia is noticeably higher than in the general population, and smoking cessation attempts frequently are unsuccessful in this population. Little is known about the effects of cigarettenicotine craving in individuals with schizophrenia. Researchers are interested in learning more about how craving affects people with schizophrenia and developing new ways to treat cravings and improve the effectiveness of smoking cessation therapies and treatments. 