The proof obtained from varied trials undertaken by Pfizer for Chantix has shown greater probability of success rate in cessation of the smoking habit. The antagonistic nature of Chantix or Champix is known to inhibit craving for nicotine, causes decreased smoking pleasure and other tobacco derived produce. There are a reported three million people in America that consume Chantix. Several patients on Chantix have undergone precarious and adverse side effects comprising of most common ones like nauseous feeling, headaches, insomnia and recurrent bad or unpleasant dreams, while many others feel extremely worked up, depressed or show strange withdrawal behaviour patterns. Chantix side effects also include the inception of mental illness like lunacy, manic behaviour, bipolarity, delirium or schizophrenia. Chantix may cause a relapse of past mental illness. Chantix users have also been reported to tend to have suicidal tendencies, tried or committed suicide. Fatal accidents inclusive of  [...]