1 Introduction Binge eating, a core feature of bulimia nervosa and binge eating disorder, is characterized by consuming a large amount of food with a sense of loss of control and is associated with significant psychological distress and functional impairment. In China, this behavior is increasingly prevalent, particularly among young adults. A study of college freshmen found that 31.4% reported binge eating in the past 28 days, with 16.2% meeting full diagnostic criteria (Gao 2020).
