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This psychological disorder has been found to coexist with AN at a relatively high rate such as 50% (Kent & Waller, 2000; Varner, 1999). Features that are common to both AN and this disorder (i.e., weight change, social withdrawal, decreased self-esteem, sleep disturbance, and concentration problems) can make differential diagnosis difficult.
What is Depression?
The implications for clinicians is that it would be advisable to assess and treat depressive disorders among those who present with eating or weight problems as this may also facilitate recovery from AN (Johnson et al., 2003).