ruptured blood vessels. The preoccupation must cause clinically significant distress or im-
pairment in social, occupational, or other important areas of functioning (Criterion C);
usually both are present. Body dysmorphic diso rder must be differentiated from an eating
disorder.
Muscle dysmorphia, a form of body dysmorphic disorder occurring almost exclusively
in males, consists of preoccup ation with the idea that one’s body is too small or insuffi-
ciently lean or muscular. Individuals with this  form of the disorder actually have a nor-
mal-looking body or are even very muscular . They may also be preoccupied with other
body areas, such as skin or hair. A majority (b ut not all) diet, exerc ise, and/or lift weights
excessively, sometimes causing bodily damage . Some use potentially dangerous anabolic-