This Week’s Top Stories from Harvard Health

Shining a light on winter depression

Winter does not officially begin until Dec. 21, but as the days grow shorter and sunlight exposure becomes scarcer, seasonal affective disorder (SAD) becomes more common. SAD is a type of depression that occurs during the late fall and early winter and often ends by spring or early summer. The exact cause of SAD is unknown, but research points to lack of light as the main contributor.

Get your copy of Understanding Depression

Depression is more than a passing bout of sadness or dejection, or feeling down in the dumps. It can leave you feeling continuously burdened and can sap the joy out of once-pleasurable activities. In Understanding Depression, find out how effective treatment can lighten your mood, strengthen your connections with loved ones, allow you to find satisfaction in interests and hobbies, and make you feel more like yourself again.