According to background info in this article, smoking is an important preventable cause of death. However, current cessation methods are only successful partially proventil100.com/asthma-symptoms-and-causes.htm . A number of different types of antidepressant medicines have been effective in helping people stop smoking. Allan V. Prochazka, M.D., M.Sc., from the University of Colorado Health Sciences Middle, Denver, and colleagues examined the efficacy of nortriptyline in assisting people quit smoking cigarettes. Study individuals, aged 18 to 65 years, were randomly assigned to 1 of two organizations: one group received nortriptyline and one group received placebo .