By
Valentina Spragovskaya - In a general sense depression is negative mood of a person, melancholy,
sorrow, while in restricted sense it is psychiatric disorder
characterized by significant feeling and self-attitude lowering,
loosing of interest to life and satisfaction. While lasting quite long
period of time, depression is regarded as a mental disorder,
nevertheless it is subjected to treatment. As a rule a person suffering
from this disease starts consume excessively alcohol, or other
substances.