Repetitive negative thinking is a major element of psychological disorders. Clinically concerning levels of anxiety, depression, and anger all carry with them repetitive thoughts that serve to ...

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.

We’re seeing continued advances in making psychiatric diagnoses—and, therefore, improved treatment. A major step in this direction occurred in 2009 when the National Institute of Mental Health (NIMH) ...

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 ...

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

For decades, diagnosing a mental illness has depended largely on symptoms and clinical observation rather than lab tests. Yet ...

If you have any familiarity with the Salem Witch Trials, you already know something about mass hysteria, also known as mass psychogenic illness. Mass hysteria refers to an outbreak of unusual and ...

People with schizophrenia have much higher rates of substance use disorders – including alcohol, tobacco, cannabis, and cocaine – than the general population. One study found 47% of people with ...

Substance use disorder makes it hard to stop using substances even when they're harmful. Using the term "substance use disorder" helps separate the person from the treatable illness. Substance use ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. The human mind can be hard to grasp, especially when it comes to abnormalities.