Abstract: Objective:The aim of this study was to determine the relationship between smoker’s age,the age of initiation of smoking and Fagerström Test for nicotine dependence (FTND) among male Sudanese smokers. Methodology:This is a prospective cross-sectional survey. We enrolled fifty-five adult participants in the study at smoking cessation centerof Alshaab institute of cardio-pulmonary diseases in Khartoum, Sudan in the period from August to December 2015 after taking their informed written consent.Fagerström Test for Nicotine Dependence (FTND) was recorded. A score of (0-2) was defined as very low, (3-4) as low, (5) as moderate, (6-7) as high and score of (8-10) as very high. The...