SAD
Definition | : | Seasonal Affective Disorder |
Category | : | Medical » Anatomy & Physiology |
Country/Region | : | Worldwide ![]() |
Popularity | : |
What does SAD mean?
Seasonal affective disorder (SAD), also known as winter depression, winter blues, summer depression, summer blues, or seasonal depression, is a mood disorder in which people who have normal mental health throughout most of the year experience depressive symptoms in the winter or summer, spring or autumn year after year.