About 90% of those diagnosed with anorexia nervosa are female. Research indicates that its incidence is between 8 and 13 cases per 100,000 annually.<ref>Bulik CM, Reba L, Siega-Riz AM, Reichburn-Kjennerud T (2005). Anorexia nervosa: Definition, epidemiology and cycle of risk. ''International Journal of Eating Disorders, 37'' Suppl, S2-S9.</ref><ref>Hoek HW (2006). Incidence, prevalence and mortality of anorexia and other eating disorders. ''Current Opinion in Psychiatry, 19'', 389-394.</ref>The disorder most commonly occurs in adolescence.<ref>Lask B & Bryant-Waugh R (2000). Anorexia Nervosa and Related Eating Disorders in Childhood and Adolescence. Hove: Psychology Press.</ref>
+
About 90% to 95% of those diagnosed with anorexia nervosa are female. Research indicates that its incidence is between 0.3% to 1.3%, depending on severity.
+
+
The disorder most commonly occurs in adolescence.<ref>Lask B & Bryant-Waugh R (2000). Anorexia Nervosa and Related Eating Disorders in Childhood and Adolescence. Hove: Psychology Press.</ref>