Bulimia nervosa from the highest income bracket. There are higher rates of eating disorders in groups involved in activities which idealize a slim physique, such as dance, gymnastics, modeling, cheerleading, running, acting, swimming, diving, rowing and figure skating. Bulimia is thought to be more prevalent among Caucasians; however, a more recent study showed that African-American teenage girls were 50 percent more likely than white girls to exhibit bulimic behavior, including both binging and purging. The term "bulimia" comes from Greek "boulīmia", "ravenous hunger", a compound of βοῦς "bous", "ox" and λιμός, "līmos", "hunger". Literally, the scientific name of the disorder, "bulimia nervosa",
Eating disorders and development added as an eating disorder diagnosis in DSM-V. Previously individuals with binge eating disorder had been classified under eating disorder not otherwise specified. Due to the recency of the diagnosis, less research is currently available on Binge Eating Disorder compared to the other categories of eating disorders. The average age of onset is reported to be 25 years. Binge eating disorder is characterized by repeated binge eating episodes. This includes: The severity is classified by the number of binge eating episodes per week. Eating disorders and development Eating disorders typically peak at specific periods in development, notably sensitive and transitional