The exact cause of dysthymia is unknown. Although the symptoms are not as severe as those of other forms of depression, affected people struggle nearly every day with low self-esteem, despair, and hopelessness. Like all forms of depression, dysthymia occurs more frequently in women than in men and affects up to 5% of the general population. Dysthymia can occur alone or in conjunction with more severe depression or other mood or psychiatric disorders.
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