Many people with schizophrenia smoke, but there are evidence based treatments to help them quit. Some people benefit from nicotine replacement treatments like nicotine gum or patches. There are also medications a doctor can prescribe called bupropion and varenicline than can help some people with schizophrenia quit smoking. Other people are helped by a program where they are given money but have to pay it back each time they smoke. This is called contingent reinforcement.