Aim: The purpose of this study was to determine the prevalence and the affecting risk factors of obesity and the eating habits among adolescents. Methods: The study is a descriptive in design. The research was carried out between December 2013 and February 2014 at a private university in Ankara. This study was conducted with 260 students. The data were presented as frequencies, mean, standard deviations and were analyzed by test of chi-square, Pearson correlation analysis and logistic regression analysis. Data were collected using an Interview Questionnaire, the Eating Habits Index and anthropometric measurements were performed. Results: The mean age of students was 20.87±2.29. Prevalence of overweight and obesity among students were 23.1% and 6.5% respectively. The prevalence of overweight and obesity was related with male gender (p
Adolescent, Obesity, Prevalence, Body Mass İndex, Eating Habits.