body dysmorphic disorder biological causes
Introduction. Body dysmorphic disorder (BDD) is an 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.For example, they may be convinced that a barely visible scar is a major flaw that everyone is staring at, or that their nose looks abnormal.rint this page. Body dysmorphic disorder (BDD) is an 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.