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 with Bipolar I disorder have full-blown manic attacks and deep, paralyzing depressions. A World Health Organization survey found the prevalence rate of bipolar I disorder to be 0.6 percent.

The authors noted that bipolar II should not be regarded as simply a milder form of the disorder, and that the higher risk of ...

Nearly 5 million Americans navigate the complex challenges of bipolar I disorder daily, facing dramatic shifts between manic highs and depressive lows that can derail careers, relationships and ...

Sleep isn’t just a symptom — it’s a mood regulator. Find out how bipolar disorder impacts sleep and how you can build healthier sleep habits. Most nights, Will J. has no interest in going to bed. He ...