Wondering what really causes borderline PD? New neuroscience discoveries suggest that genetics and brain irregularities may ...

Psychiatric disorders, such as bipolar disorder (BD), major depressive disorder (MDD), schizophrenia and anxiety disorders, ...

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...

People tend to think of body shape first when they think of eating disorders—but experts say there are numerous subtle signs that someone has an unhealthy relationship to food.

Editor's note: This story discusses disordered eating. Eating disorders in children and teens can be hard for parents to understand. TODAY.com talked to experts to find out what parents and all family ...

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