Light therapy is a treatment for seasonal affective disorder (SAD), which may contribute to depression in some people. People with SAD feel more depressed in fall and winter, when there is less daylight.
What does it involve?
Light therapy involves exposure to a light box each morning. Exposure should last 20 to 30 minutes, and the light box should be positioned 16 to 24 inches from the face. During light therapy, you should keep your eyes open, but do not gaze directly at the light. You may read or perform another activity during light therapy.
Light boxes come in many styles and light intensities and fall within a wide price range. Some light boxes are de... read more