 Branded bupropion hydrochloride products including ZYBAN and WELLBUTRIN range are approved for the treatment of smoking cessation and depressive disorders respectively. The Risk Evaluation and Mitigation Strategy REMS for ZYBAN was initially approved in 2010 and consists of a Medication Guide and a timetable for REMS assessments submission at 18 months, 3 years and 7 years from the date of initial approval of REMS. The present study is a 7-year REMS assessment to evaluate subjects understanding of the potential serious risk of neuropsychiatric adverse events associated with the use of ZYBAN, WELLBUTRIN, WELLBUTRIN SR, and WELLBUTRIN XL. The assessment will be a 20-minutes Knowledge, Attitudes and Behavior KAB survey and will be conducted among approximately 125 subjects currently using or who have filled a prescription for a branded bupropion product for smoking cessation within the 6 months prior to survey administration. ZYBAN, WELLBUTRIN, WELLBUTRIN SR, and WELLBUTRIN XL are registered trade marks of the GSK group of companies. 