If you are found to be eligible to take part in this study, you will complete a series of questionnaires on a laptop computer. You will be asked questions about your smoking habits. You will be asked how much tobacco you use, how many times you have tried to quit, how ready you are to quit, and how dependent you are on nicotine. You will be asked about symptoms related to nicotine withdrawal and any breathing problems associated with smoking. You will also be asked about support you receive from family and friends. The questionnaires on the laptop will take about 1 hour to complete. You will also complete an interview with the study staff to test your level of basic health knowledge. This test will about 10 minutes to complete.