Seasonal affective disorder

Seasonal depression; Winter depression; Wintertime blues; SAD

Seasonal affective disorder (SAD) is a type of depression that occurs at a certain time of the year, usually in winter.

Forms of depression

Depression is defined as a mood disorder, and there are several subtypes. Bipolar disorder, also known as manic-depressive illness, is considered in a separate category.



Exams and Tests


Outlook (Prognosis)

When to Contact a Medical Professional