Depression

Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have trouble doing normal day-to-day activities, and sometimes you may feel as if life isn't worth living.

During these episodes, symptoms occur most of the day, nearly every day and may include: Feelings of sadness, tearfulness, emptiness or hopelessness, Angry outbursts, irritability or frustration, even over small matters, Loss of interest or pleasure in most or all normal activities, such as sex, hobbies or sports Sleep disturbances, including insomnia or sleeping too much.