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As with major depressive disorder, dysthymia occurs more women in women than in men and affects up to 5% of the general population. Dysthymia can occur alone, or together with more severe depression or another mood or psychiatric disorder.
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The causes of depression are complex and not yet completely understood. Sleep abnormalities, hormones, neurotransmitters (chemicals that communicate impulses from one nerve cell to another), upbringing, heredity, and stressors (significant life ch...
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