Disorder, seasonal affective (SAD): Depression that tends to occur (and recur) as the days grow shorter in the fall and winter. It is believed that affected persons react adversely to the decreasing amounts of light and the colder temperatures as the fall and winter progress.
Seasonal affective disorder has not been recognized very long as a medical condition. The term first appeared in print in 1985. Seasonal affective disorder is also sometimes called winter depression or the hibernation reaction.
Seasonal affective disorder (SAD) — Comprehensive overview covers symptoms, treatment of this seasonal depression.
Seasonal affective disorder (SAD) is episodes of depression that occur at a certain time of the year, usually during winter.
WebMD explains seasonal affective disorder (SAD) including who gets it, causes, symptoms, diagnosis, and treatments. Seasonal affective disorder is a seasonal ...
Seasonal affective disorder (also called SAD) is a type of depression that is triggered by the seasons of the year. The most common type of SAD is called winter-onset ...
Some people experience a serious mood change during the winter months, when there is less natural sunlight. This condition is called seasonal affective disorder, or ...