ABSTRACT
World Health Organization estimates that approximately 5 million people die each year world wide from Tobacco related diseases. Cigarette smoking is the commonest form of tobacco and is incidence increasing specially in teenagers and women particularly despite of increasing awareness of harmful effects of smoking. This study aims the knowledge of determinants of smoking. The objective of the study is to determine the knowledge about factors responsible for smoking. Cross sectional survey. Study was carried out in Quaid-e-Azam Medical College, Bahawalpur. 1[st] Jan, 2010 to 31[st] May, 2010. A sample of 100 medical students of QAMC was selected according to stratified random sampling. Data was collected through pre-designed questionnaire. Out of total 100 students 94% of the students know the determinants of smoking. According to [31.30%]] of the students, tension/stress was the most important factor responsible for smoking with enjoyment [21.73%]] and style/status symbol [20.86%]. Conclusions: High proportion of students were aware of the determinants of smoking