We all experience variations in mood, activity, and energy. For some people, these variations are so extreme that they become dysfunctional. Psychiatry is the discipline that has paid most attention ...

Medically reviewed by Dakari Quimby, PhD Key Takeaways Bipolar eyes describe changes in a person's eyes during manic or hypomanic episodes. Pupils may dilate due to higher levels of norepinephrine ...

Bipolar II disorder is a mental health condition that involves periods of depression and periods of elevated mood, called hypomania. All forms of bipolar disorder involve shifts in mood and levels of ...

The singer talked to 'Rolling Stone' about her lifelong struggle with bipolar disorder — and how she’s learning to maintain boundaries with fans The singer-songwriter, 26, shared with the outlet that ...

Bipolar II disorder features major depressive episodes lasting at least two weeks and hypomanic episodes, but never full-on mania. Cyclothymic disorder is another type of bipolar disorder where there ...

Bipolar disorder often is initially misdiagnosed because some of its symptoms are similar to other mental illnesses. People who are bipolar experience both intense highs and lows. These severe mood ...

Bipolar disorder exists on a spectrum rather than as a single, uniform condition. This fundamental characteristic explains why two people with the same diagnosis can experience dramatically different ...