Periodically arising depressed mood is a normal part of our life. But when emptiness and despair don’t pass for a long time, it is possible to assume existence of depression. It is more, than simply temporary frustration of mood, a depression prevents the person to enjoy life. Hobbies and friends don’t interest you any more. When you in a condition of depression, you feel unnecessary, but with the help and support it is possible to cope with this state better. For this purpose you have to understand that you are in depression. Acquaintance to depression, including to its signs, symptoms, the reasons and possible treatment is first step to overcoming of problem.