Seasonal Affective Disorder
SADWinter Blues
📋Overview
Seasonal Affective Disorder (SAD) is a subtype of major depressive disorder characterized by recurrent depressive episodes that occur seasonally, most commonly in fall and winter. It is considered a form of depression linked to changes in daylight exposure. The modern preferred term is Seasonal Pattern Specifier for Major Depressive Disorder, as classified in standard psychiatric diagnostic systems.
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