Seasonal affective disorder (SAD) is a form of depression that occurs seasonally. Treatments include medications and therapies such as light therapy. Follow the links below to find WebMD's comprehensive coverage about what causes SAD, how to treat it, and much more.
Up to 3% of Americans may suffer from depression in winter. Some have seasonal affective disorder, or SAD, which only occurs in winter. Others may feel depressed year round, but worse in winter.
Read Full Article
Slideshows & Images