Bach was a German composer of the Baroque period and virtuoso organist. His music is notable for its intellectual rigor and emotional expressiveness. Read Full Biography. 1  Overview 2  â. Biography 3  â. Compositions 4  â. Credits 5  â. Related â.
Diagnostic criteria for bipolar and related disorders are based on the specific type of disorder: 1  Bipolar I disorder. 2  Bipolar II disorder. 3  Cyclothymic disorder. 4  Other types.
Introduction. Bipolar disorder is a chronic disorder that affects approximately one per cent of the world's population, afflicting both males and females. The onset of bipolar disorder usually occurs between 20 to 30 years of age, with a second peak in the mid-40s for women.here is a personality difference between patients with bipolar disorder and those with unipolar depression. Studies have shown that patients with unipolar depression tend to have depressive personalities, even after 15 years' follow up (when patients were no longer sick).