Eating disorders: a primer for the substance abuse specialist. 2. Theories of etiology, treatment approaches, and considerations during co-morbidity with substance abuse.

In the first paper of this two-part sequence on the eating disorders of anorexia nervosa and bulimia nervosa, clinical and biological features, both cross-sectorial and longitudinal, were reviewed. In this paper, proposed theories of etiology are examined, and theoretical and practical considerations for the substance abuse specialist who encounters a chemically dependent patient with a concurrent eating disorder are described.