Seasonal affective disorder (SAD) is depression linked to seasonal shifts. For most people with SAD, symptoms start as fall begins and they last through the winter. The majority of people with SAD will start to see symptoms dissipate when spring begins. Signs and symptoms of SAD can include depression, loss of interest in activities and low energy.

Seasonal Affective Disorder FAQs

Below are some of the most commonly asked questions about seasonal affective disorder, as well as relevant answers.