The Diagnostic and Statistical Manual of Mental Disorders, or the DSM-5, identifies 10 unique personality disorders—conditions in which people have traits that cause them to feel and behave in ...

Cluster C personality disorders—avoidant, dependent, and obsessive-compulsive—are characterized by anxious, fearful thinking or behavior. Avoidant personality disorder interferes with a person's ...

Schizotypal personality disorder is a cluster A personality disorder that involves various symptoms. These symptoms include difficulty in relationships, atypical thinking and behavior, and a distorted ...

A new study published in PLOS Digital Health suggests that hate speech and misinformation on Reddit may reflect language patterns similar to those found in online communities centered around certain ...

Comorbidity is when a person has more than one health condition at once. Researchers investigating the comorbidity of personality disorders have found people with certain disorders may have other ...