Description

This type of mood disorder is characterized by mood swings. People with this disorder go through episodes of depression, with the same facets as the major depressive disorder. Additionally, they go through manic episodes, characterized by a very joyful mood and a lot of energy.

Normal

Every has mood swings to some extent. Some days are better than other. Some day we feel like working, some days we don't.

Abnormal

The difference between moods is extreme in people with this disorder. The periods of depression usually occur more frequently. The manic period begins very sudden. People that live with this person are surprised by the sudden change. In the manic period, positive thinking can become so unrealistic, that big risks are taken. For example, someone might invest al his money in stocks.