Also called a "bipolar junction transistor" (BJT), it is one of two major transistor categories; the other is "field-effect transistor" (FET). Although the first transistor was bipolar and the first ...

Neha Pathak, MD, FACP, DipABLM: Welcome to the WebMD Health Discovered podcast. I'm Dr Neha Pathak, WebMD's Chief Physician Editor for Health and Lifestyle Medicine. Bipolar disorder is a condition ...

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 ...

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.

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 ...

Bipolar 1 causes mania, while bipolar 2 leads to hypomania and depression. You can use medications and psychotherapy to help ...

One of the diagnostic fads in mental health, the over-diagnosis of bipolar disorder, is ongoing and problematic. This review aims to shed light on what makes this problem so tenacious. It is also a ...

People with bipolar I disorder experience manic episodes, while people with bipolar II disorder experience less severe hypomanic episodes. Both condition types have certain symptoms in common and ...

Bipolar disorder is a mental health condition that affects mood and can cause periods of elation and depression. People with bipolar disorder commonly experience sleep disturbances, which may result ...