B.D.D is a “body-image disorder characterized by persistent and intrusive preoccupations with an imagined or slight defect in one's appearance”. livescience.com Some symptoms of B.D.D. include comparing body parts to others' appearance, checking in a mirror, avoiding mirrors, and or excessive grooming. The main sources of B.D.D are “brain differences, genes, and environment”. Brain differences are a contribution to B.D.D by the brain having abnormalities in the structure or neurochemistry. Genes can affect the development of B.D.D because a parent could have the disorder and possibly pass it onto a child through genetics. Environment can contribute to the development in B.D.D because in the school or social environment people can get bullied
