Perhaps worth being aware of.

Abstract:

At the root of bulimia is a need to feel in control. While purging is a strategy for controlling weight, bingeing is an attempt to calm depression, stress, shame, and even boredom. The Dialectical Behavior Therapy Skills Workbook for Bulimia offers new and healthy ways to overcome the distressing feelings and negative body-image beliefs that keep you trapped in this cycle.

Source: The Dialectical Behavior Therapy Skills Workbook for Bulimia | NewHarbinger.com