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Cleveland Clinic: Body Dysmorphic Disorder
BDD is described here as a type of somatoform disorder, a mental illness. Article explains the symptoms, causes, diagnoses and treatment.
Mayo Clinic
Mayo Clinic: Body Dysmorphic Disorder
Otherwise known as "imagined ugliness," body-dysmorphic disorder involves how you think about your appearance. Site contains information on symptoms, causes, risk factors, complications, diagnosis, and lifestyle and home remedies.