What It Does: If your television has a USB port, it's generally used so technicians can service your TV if it breaks. Smart TVs often have at least one USB port that let you plug in a hard drive, flash drive, or other USB storage device to view media files on your television.
Bipolar II disorder (pronounced bipolar two) is a form of mental illness. Bipolar II is similar to bipolar I disorder, with moods cycling between high and low over time. However, in bipolar II disorder, the up moods never reach full-on mania. The less-intense elevated moods in bipolar II disorder are called hypomanic episodes, or hypomania.
1 Bipolar II involves less severe manic episodes than bipolar I; however, their depressive episodes are the same. 2  Cyclothymia is a chronic but milder form of bipolar disorder, characterized by episodes of hypomania and depression that last for at least two years.here is no single cause for bipolar disorder. Indeed, like all psychological disorders, bipolar disorder is a complex condition with multiple contributing factors, including: 1  Genetic: Bipolar disorder tends to run in families, so researchers believe there is a genetic predisposition for the disorder.