It's that time of year again in the northern hemosphere. The days are getting shorter, the sun is setting sooner and the ...

Seasonal affective disorder is a type of depression that worsens through the winter and goes away with the arrival of spring.

Light therapy has been used to treat seasonal affective disorder for decades. Exposure to the right kind of light can make a noticeable difference this fall and winter.

Explore Seasonal Affective Disorder (SAD), its symptoms, and effective strategies to overcome the winter blues. Learn how to improve your mood with lifestyle changes and treatments.