The DSM-IV-TR is the holy grail of psychology. It is a book that lists every psychological disorder and all of the symptoms that are agreed upon by the American Psychiatric Assosciation (APA).
Among sexual, social, emotional, and multiple other disorders Bulimia Nervosa is one of the most notorious. Along with several symptoms, it mentions excessive exercise. Unfortunately for some people, this symptom can occur without the Bulimia. The DSM fails to list a work-out binge as a separate disorder, yet an excessive exercise disorder exists and is a serious threat



