What is a common behavior associated with bulimia nervosa?

Bulimia nervosa is characterized by a specific pattern of behavior that includes episodes of binge eating, where individuals consume large quantities of food in a short period, followed by purging methods to prevent weight gain. Purging can involve behaviors such as self-induced vomiting, misuse of laxatives, or excessive exercise. This cycle of consuming and then eliminating food is central to bulimia nervosa and differentiates it from other eating disorders.

While self-starvation is typically associated with anorexia nervosa, and obsessive thoughts about appearance flaws can be related to both anorexia and bulimia, the defining behavior of bulimia is the combination of binge eating followed by purging. Uncontrolled consumption of food can occur in various eating disorders but does not specifically entail the purging aspect that is quintessential to bulimia nervosa.