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 ...
Key points Three types of bipolar disorder are defined in modern psychiatric classification systems: bipolar I, bipolar II and cyclothymic disorder. Each subtype differs in type, severity, and ...
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What is bipolar disorder?

Bipolar disorder is a mental health condition that affects 4.4% of US adults at some point in their lives, according to the National Institute of Mental Health. NIMH defines bipolar disorder as a ...
Rula reports five common triggers of bipolar disorder: stress, sleep issues, seasonal changes, substance use, and hormonal ...
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.