Unipolar depressive disorders (depression or melancholia) are mental illnesses that affect your mood, but always to make it low and cause depression.
Depression is often a recurrent illness. You have periods lasting months or even years where your mood is so low that there is an overwhelming sense of hopelessness and worthlessness. Affecting women more than men, it is probably the greatest cause of disability worldwide, sufferers frequently referring to periods of illness as lost months or years of their life. Affecting women more than men, for women depression
A depressive illness not only affects your mood, but frequently also causes marked changes in appetite and sleep pattern, loss of energy, difficulty thinking and thoughts of suicide. Antidepressant medication has greatly reduced the periods of depression for many sufferers.
Global Burden of Disease estimated in 2002 Depression to cause 11.8% of all years spent living with a disablity worldwide, 9.6% of all Male, 13.9% of all Female disability. GBD also estimated it to cause, 7.3% of all Rich territory, 6.0% of all Poor territory and 3.1% of all Very poor territory Burden of Disease (Disability Adjusted Lost Years).
Deaths due to Suicide Map 482, most of which will be due to depression, are counted separately. Therefore the true mortality from depression is not shown in the mortality figures here. The few deaths recorded here may include people so severely depressed that they have stopped eating, and more importantly, drinking. Excluding deaths from suicide, depression caused 0.02% of all deaths worldwide in 2002, an average of 2 deaths per million people per year, compared to an average of 140 suicides per million people.