Introduction: Orthorexia Nervosa (ON), or the obsession with healthy eating is a new eating disorder that has gained popularity in the recent years. A very limited amount of literature exists regarding ON in Arab countries including Lebanon. The objective of the current study was to assess the prevalence of ON in a representative sample of Lebanese university students, and different factors that might affect ON development. Methods: This was a cross-sectional study on 349 university students from three Lebanese regions: Mount Lebanon, North, and Shouf. The ORTO-15 scale was used to assess ON ...