Body dysmorphic disorder (BDD) is a common anxiety disorder that causes a person to have a distorted view of how they look and to spend a lot of time worrying about their appearance.

The study involved 94 adult patients with a diagnosis of body dysmorphic disorder who randomly received either BDD-NET or supportive therapy for 12 weeks.
None of the participants had any face-to-face contact with a therapist during treatment and both groups were followed for 3 months after the end of treatment.
At that point, 56 percent of those receiving BDD-NET were classed as responders (defined as a 30 percent or more reduction in symptoms on a recognised scoring scale) compared with 13 percent receiving supportive therapy.
As many as 39 percent of those receiving BDD-NET no longer met diagnostic criteria for body dysmorphic disorder.
Participants in the supportive therapy group who crossed over to BDD-NET after six months also improved their symptom scores.

The findings were published in the journal BMJ.


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