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By Mayo Clinic staffIt's not known specifically what causes body dysmorphic disorder. Researchers believe that, like many other mental illnesses, body dysmorphic disorder may result from a combination of causes:
- Biochemical. Some evidence suggests that naturally occurring brain chemicals called neurotransmitters, which are linked to mood, may play a role in causing body dysmorphic disorder. In particular, the neurotransmitter serotonin may have a causal role.
- Genes. Some studies show that body dysmorphic disorder is more common in people whose biological family members also have the condition. This may indicate a genetic pathway behind body dysmorphic disorder.
- Environment. Your environment, life experiences and culture may contribute to body dysmorphic disorder, especially if they involve negative experiences about your body or self-image.
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- Hall-Flavin DK (expert opinion). Mayo Clinic, Rochester, Minn. Oct. 17, 2008.