The experience of significant depression that tends to come and go with seasons is known as

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Seasonal affective disorder (SAD) is a type of depression that occurs during a particular season, usually winter when there is less sunlight. It tends to come and go with the seasons. Manic depressive disorder (now known as bipolar disorder) involves periods of depression and manic or hypomanic episodes. Obsessive compulsive disorder (OCD) is a disorder characterized by persistent, intrusive thoughts and repetitive behaviors or compulsions.

The Experience of Significant Depression That Tends to Come and Go