Some of the most commonly known eating disorders to date are: • Anorexia nervosa • Bulimia nervosa • Binge eating disorder • Pica • Rumination disorder • Avoidant/restrictive food intake disorder (ARFID) In addition to the six eating disorders mentioned above, some less commonly known eating disorders include.  • Purging disorder • Night eating syndrome Other specified feeding or eating disorder (OSFED) refers to conditions not found within the DSM-5. This term encompasses any other conditions that may have similar or interchangeable symptoms to those of a known eating disorder, but that do not meet all of the parameters of the conditions mentioned above.