Credit: Getty Images Some rare psychological disorders may occur so infrequently that most mental health professionals might never encounter them. Approximately 1 of every 5 adults in the United ...

New research links inflammation to mental health symptoms. Personalized care using brain and immune data could improve ...

Substance use disorder is a treatable, chronic condition in which an individual has an addiction to using alcohol, tobacco, ...

A massive global genetics study is reshaping how we understand mental illness—and why diagnoses so often pile up. By ...

A recent study finds that certain psychiatric disorders have considerable genetic overlap. But these genes aren’t the whole ...

Mental disorders like depression and anxiety are characterized by a variety of different symptoms, and individuals receiving the same diagnosis may experience different combinations of those symptoms.

“Mental disorders,” in stark contrast, are nominal or classificatory kinds: They are names or descriptions of clusters of ...

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 ...

Diagnosing personality disorders in children is controversial due to natural developmental shifts in mood and behavior. When maladaptive traits remain pervasive and persistent, however, a personality ...