Approximately 2% to 4% of the young adult female population has full-syndrome eating disorders (EDs) (anorexia nervosa [AN], bulimia, or binge-eating disorder [BED]).
1,2 The peak age at onset appears to be around 16 to 20 years of age, about the time when young women begin leaving home and starting college.
2 In addition, rates of subthreshold or partial-syndrome EDs likely exceed those of full-syndrome EDs,
3 suggesting that the combined rates easily exceed 4%. Furthermore, subthreshold or partial-syndrome EDs exist on a continuum with full-syndrome EDs and represent similar levels of functional impairment.
3