When an addiction and a mental health disorder coexist—a condition known as dual disorder—scientific evidence indicates that ...

The question of what constitutes a mental disorder is a hot issue right now because the Diagnostic and Statistical Manual of Mental Disorders is in the process of making a major revision, from IV-R to ...

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 ...

While the concept of eating disorders has become more broadly discussed over the last few years, less is understood about the psychology behind them — namely, what is happening inside the brain of a ...

Hyperarousal plays an important role in mental disorders. It influences the severity of insomnia, depression, anxiety, ...

To add to the confusion, other personality disorders have been associated with criminal behavior and serial murder.

Other terms that have crept from the therapist’s couch into the public lexicon include love-bombing, triggered, grooming, and toxic. Frequently, mental-health experts say, when we overuse these words, ...

The psychology of hoarding reveals deep emotional ties to possessions. Experts explain why discarding items can trigger ...