Depression is a very common but serious mood disorder that negatively affects how you feel, the way you think and how you act. Fortunately, it is also treatable. . It can affect anyone & at any age, however in majority of people it starts between ages 20 and 50. Women are affected more than men reasons are unknown, hormonal effects could be one of the possibility.
Depression symptoms can vary from mild to severe and can include:
Symptoms must last at least two weeks and must represent a change in your previous level of functioning for a diagnosis of depression.
Types of Depression
Depending on the cause of an illness
Depending on the pattern of an illness