Seasonal Affective Disorder

Seasonal Affective Disorder of SAD, a form of depression usually strikes in the fall and winter months when the days are shorter and the nights are longer. Symptoms include oversleeping, daytime fatigue, carbohydrate cravings, weight gain, loss in interests and social withdrawal.

It affects about 20 to 30 percent of the population.

It is best treated with counseling, antidepressants or with light-therapy.