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.

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

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

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

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.

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 ...

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 ...

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 ...