Body dysmorphic disorder is now believed to be most closely related to obsessive-compulsive disorder.
Disorder refers to the illness that persist in the human mind which disrupts the normal functioning of the brain. It disturbs the mental conditions. Some of the instance of disorder are anxiety, panic, phobias, depression, obsessive-compulsive disorder etc.
Obsessive-compulsive disorder is a mental ailment characterized by recurring unpleasant thoughts or feelings (obsessions) or the need to perform something again (compulsions).
Obsessions and compulsions can coexist in certain persons. OCD isn't about bad behaviors like nail-biting or negative thinking.
Therefore, it can be concluded that Obsessive-compulsive disorder is currently thought to be the most closely connected to body dysmorphic disorder.
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