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- First identified: As a distinct classification, it emerged in the 1980 updated of the DSM.
- Named after: The name was chosen to differentiate between this and other forms of depression, such as dysthymia, postpartum depression and seasonal affective disorder (SAD).
- Typical onset: Thirty to fourty years of age
- Survival rate: 96.6% overall (99% for women and 93% for men), thought it does reduce life expectancy
- Fact 5: Average duration of a depressive episode is 23 weeks
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Major depressive disorder is characterized by pervasive low moods, low self esteem, inability to enjoy once pleasurable activities (anhedonia), fixation on negative themes (worthlessness, guilt, regret, helplessness, hopelessness and self-loathing), decreased concentration or memory, withdrawl from social situation, decreased libido, suicidal ideation, insomnia, hypersomnia, appetite increase/decrease and weight loss/gain.
Major depressive disorder is twice to three times as common in women as it is in men. Women are more likely to be suicidal, whereas men that are suicidal are more likely to commit suicide.
Anxiety disorders, post-traumatic stress disorder, and a history of abuse or trauma puts a person at greater risk for major depressive disorder.
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