What causes clinical depression?

But clinical depression is marked by a depressed mood most of the day, sometimes particularly in the morning, and a loss of interest in normal activities and relationships-- symptoms that are present every day for at least 2 weeks. read more

Depression (major depressive disorder or clinical depression) is a common but serious mood disorder. It causes severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or working. To be diagnosed with depression, the symptoms must be present for at least two weeks. read more

Depression ranges in seriousness from mild, temporary episodes of sadness to severe, persistent depression. Clinical depression is the more-severe form of depression, also known as major depression or major depressive disorder. read more