Depressed mood is a significant feature of other mental health conditions besides major depression. Many experts recognize four major types of depression: major depressive disorder, the depression of ...

Swapping just an hour of TV a day for something more active could significantly lower the risk of developing major depression—especially in middle age. A large Dutch study tracking more than 65,000 ...

Depression makes deep inroads on biology to bring about the many symptoms of depression, from sleep disruption and an inability to experience pleasure to lack of motivation, feelings of guilt, and ...

Depression and seasonal affective disorder (SAD) share similar symptoms, but depression can occur at any time of the year, while SAD follows a recurring seasonal pattern. For a SAD diagnosis, a person ...